diff --git a/modules/ui/BaseConceptWindowView.py b/modules/ui/BaseConceptWindowView.py
index 0b94e50d1..68831c497 100644
--- a/modules/ui/BaseConceptWindowView.py
+++ b/modules/ui/BaseConceptWindowView.py
@@ -12,6 +12,8 @@ def __init__(self, components):
         self.bucket_ax = None
         self.text_color = None
         self.canvas = None
+        #{aspect_ratio_string: [relative file paths]} for the currently displayed smallest buckets
+        self._smallest_bucket_files = {}
 
     def build_general_tab(self, frame, controller, ui_state, text_ui_state):
         # name
@@ -305,8 +307,10 @@ def build_concept_stats_tab(self, frame, controller):
                          tooltip="Graph of all possible buckets and the number of images in each one, defined as height/width. Buckets range from 0.25 (4:1 extremely wide) to 4 (1:4 extremely tall). \
                             Images which don't match a bucket exactly are cropped to the nearest one.", underline=True)
         self.small_bucket_label = self.components.label(frame, 17, 1, "\nSmallest Buckets", pad=0,
-                         tooltip="Image buckets with the least nonzero total images - if 'batch size' is larger than this, these images will be ignored during training! See the wiki for more details.", underline=True)
+                         tooltip="Image buckets with the least nonzero total images - if 'batch size' is larger than this, these images will be ignored during training! See the wiki for more details.\n\nClick the list below to see the files in these buckets.", underline=True)
         self.small_bucket_preview = self.components.label(frame, 18, 1, pad=0, text="-")
+        #clicking the preview opens a popup listing the files in the smallest buckets; populated by _update_concept_stats
+        self.components.bind_clickable(self.small_bucket_preview, self._show_smallest_bucket_files)
 
         #refresh stats - must be after all labels are defined or will give error
         self.refresh_basic_stats_button = self.components.button(master=frame, row=0, column=0, text="Refresh Basic", command=lambda: controller.get_concept_stats_threaded(self, False, 9999),
@@ -403,6 +407,8 @@ def _update_concept_stats(self, controller):
 
         #aspect bucketing
         aspect_buckets = controller.concept.concept_stats["aspect_buckets"]
+        aspect_bucket_files = controller.concept.concept_stats["aspect_bucket_files"]
+        self._smallest_bucket_files = {}
         if len(aspect_buckets) != 0 and max(val for val in aspect_buckets.values()) > 0:    #check aspect_bucket data exists and is not all zero
             min_val = min(val for val in aspect_buckets.values() if val > 0)                #smallest nonzero values
             if max(val for val in aspect_buckets.values()) > min_val:                       #check if any buckets larger than min_val exist - if all images are same aspect then there won't be
@@ -412,7 +418,10 @@ def _update_concept_stats(self, controller):
             min_aspect_buckets = {key: val for key,val in aspect_buckets.items() if val in (min_val, min_val2)}
             min_bucket_str = ""
             for key, val in min_aspect_buckets.items():
-                min_bucket_str += f'aspect {self.decimal_to_aspect_ratio(key)} : {val} img\n'
+                aspect_str = self.decimal_to_aspect_ratio(key)
+                min_bucket_str += f'aspect {aspect_str} : {val} img\n'
+                #remember the files behind each displayed bucket so the click handler can list them
+                self._smallest_bucket_files[aspect_str] = aspect_bucket_files.get(key, [])
             min_bucket_str.strip()
             self.components.set_label_text(self.small_bucket_preview, min_bucket_str)
 
@@ -434,6 +443,17 @@ def decimal_to_aspect_ratio(self, value : float):
         aspect_string = f'{aspect_fraction.denominator}:{aspect_fraction.numerator}'
         return aspect_string
 
+    def _show_smallest_bucket_files(self):
+        #popup listing the files in each of the smallest buckets, grouped by aspect ratio
+        if not any(self._smallest_bucket_files.values()):
+            return  #no advanced scan data yet
+        sections = []
+        for aspect_str, files in self._smallest_bucket_files.items():
+            header = f'aspect {aspect_str} ({len(files)} img):'
+            sections.append(header + "\n" + "\n".join(files))
+        text = "\n\n".join(sections)
+        self.components.show_text_popup(self, "Smallest bucket files", text)
+
     def _disable_scan_buttons(self):
         self.components.set_widget_enabled(self.refresh_basic_stats_button, False)
         self.components.set_widget_enabled(self.refresh_advanced_stats_button, False)
diff --git a/modules/util/concept_stats.py b/modules/util/concept_stats.py
index 9e0f31cef..f10e7ace6 100644
--- a/modules/util/concept_stats.py
+++ b/modules/util/concept_stats.py
@@ -44,6 +44,7 @@ def init_concept_stats(advanced_checks : bool):
                 "min_caption_length" : "-",
                 "avg_caption_length" : "-",
                 "aspect_buckets" : {},
+                "aspect_bucket_files" : {},     #relative file paths per bucket, populated only in advanced scan
                 "force_cancelled" : False
             }
 
@@ -80,6 +81,7 @@ def init_concept_stats(advanced_checks : bool):
         #initialize counts for all buckets to 0
         for aspect in aspect_ratio_list:
             stats_dict["aspect_buckets"][aspect] = 0
+            stats_dict["aspect_bucket_files"][aspect] = []
 
     return stats_dict
 
@@ -140,6 +142,7 @@ def folder_scan(dir, stats_dict : dict, advanced_checks : bool, conceptconfig :
                 true_aspect = height/width
                 nearest_aspect = min(aspect_ratio_list, key=lambda x:abs(x-true_aspect))    #try to match math used in aspect bucketing
                 stats_dict["aspect_buckets"][nearest_aspect] += 1
+                stats_dict["aspect_bucket_files"][nearest_aspect].append(os.path.relpath(path, conceptconfig.path))
 
                 if pixels > stats_dict["max_pixels"][0]:
                     stats_dict["max_pixels"] = [pixels, os.path.relpath(path, conceptconfig.path), f'{width}w x {height}h']
@@ -183,6 +186,7 @@ def folder_scan(dir, stats_dict : dict, advanced_checks : bool, conceptconfig :
                 true_aspect = height/width
                 nearest_aspect = min(aspect_ratio_list, key=lambda x:abs(x-true_aspect))
                 stats_dict["aspect_buckets"][nearest_aspect] += 1
+                stats_dict["aspect_bucket_files"][nearest_aspect].append(os.path.relpath(path, conceptconfig.path))
 
                 if pixels > stats_dict["max_pixels"][0]:
                     stats_dict["max_pixels"] = [pixels, os.path.relpath(path, conceptconfig.path), f'{width}w x {height}h']
@@ -238,6 +242,9 @@ def combine_stats_dicts(input_dicts : list[dict], advanced_checks : bool):
             elif advanced_checks and key in ["aspect_buckets"]:
                 for subkey in dict[key]:
                     final_dict[key][subkey] += dict[key][subkey]
+            elif advanced_checks and key in ["aspect_bucket_files"]:
+                for subkey in dict[key]:
+                    final_dict[key][subkey].extend(dict[key][subkey])
             elif advanced_checks and key in ["max_pixels", "max_length", "max_fps", "max_caption_length"]:
                 if dict[key][0] > final_dict[key][0]:
                     final_dict[key] = dict[key]
diff --git a/modules/util/ui/ctk_components.py b/modules/util/ui/ctk_components.py
index 4f1d28b65..5dff5c20e 100644
--- a/modules/util/ui/ctk_components.py
+++ b/modules/util/ui/ctk_components.py
@@ -618,3 +618,30 @@ def set_label_text(label, text: str) -> None:
 
 def call_after(widget, delay_ms: int, func) -> None:
     widget.after(delay_ms, func)
+
+
+def bind_clickable(widget, command: Callable[[], None]) -> None:
+    widget.configure(cursor="hand2")
+    widget.bind("<Button-1>", lambda _event: command())
+
+
+def show_text_popup(parent, title: str, text: str) -> None:
+    from modules.util.ui.ui_utils import set_window_icon
+
+    window = ctk.CTkToplevel(parent)
+    window.title(title)
+    window.geometry("500x500")
+    window.grid_rowconfigure(0, weight=1)
+    window.grid_columnconfigure(0, weight=1)
+
+    textbox = ctk.CTkTextbox(window, wrap="none")
+    textbox.grid(row=0, column=0, sticky="nsew", padx=PAD, pady=PAD)
+    textbox.insert("1.0", text)
+    textbox.configure(state="disabled")
+
+    ctk.CTkButton(window, text="ok", command=window.destroy).grid(row=1, column=0, padx=PAD, pady=PAD)
+
+    window.wait_visibility()
+    window.grab_set()
+    window.focus_set()
+    window.after(200, lambda: set_window_icon(window))
diff --git a/modules/util/ui/pyside6_components.py b/modules/util/ui/pyside6_components.py
index 5b1a18598..bf1bd70ae 100644
--- a/modules/util/ui/pyside6_components.py
+++ b/modules/util/ui/pyside6_components.py
@@ -15,6 +15,7 @@
 from PySide6.QtWidgets import (
     QCheckBox,
     QComboBox,
+    QDialog,
     QFileDialog,
     QFrame,
     QGridLayout,
@@ -25,6 +26,7 @@
     QPushButton,
     QScrollArea,
     QSizePolicy,
+    QTextEdit,
     QToolButton,
     QVBoxLayout,
     QWidget,
@@ -810,3 +812,28 @@ def set_label_text(label: QLabel, text: str) -> None:
 
 def call_after(widget: QWidget, delay_ms: int, func) -> None:
     QTimer.singleShot(delay_ms, widget, func)
+
+
+def bind_clickable(widget: QWidget, command: Callable[[], None]) -> None:
+    widget.setCursor(Qt.PointingHandCursor)
+    # QLabel has no clicked signal; route the raw press to the callback
+    widget.mousePressEvent = lambda _event: command()
+
+
+def show_text_popup(parent: QWidget, title: str, text: str) -> None:
+    dialog = QDialog(parent)
+    dialog.setWindowTitle(title)
+    dialog.resize(500, 500)
+
+    lo = QVBoxLayout(dialog)
+    box = QTextEdit(dialog)
+    box.setReadOnly(True)
+    box.setLineWrapMode(QTextEdit.NoWrap)
+    box.setPlainText(text)
+    lo.addWidget(box)
+
+    ok = QPushButton("ok", dialog)
+    ok.clicked.connect(dialog.accept)
+    lo.addWidget(ok)
+
+    dialog.exec()