diff --git a/README.md b/README.md
index 247e737..2e8ee8c 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,9 @@
 # DearPyGui examples
 A collection of example scripts which demonstrate various features/functionality in DearPyGui.
 
-<img src=assets/gifs/simple_paint.gif width=50%/>
-<img src=assets/gifs/progress_bar.gif width=50%/>
+![Simple paint](assets/gifs/simple_paint.gif)
+![Marker size](assets/gifs/marker_size.gif)
+![Progress bar](assets/gifs/progress_bar.gif)
 
 ## Examples
 
diff --git a/assets/gifs/marker_size.gif b/assets/gifs/marker_size.gif
new file mode 100644
index 0000000..aea23ee
Binary files /dev/null and b/assets/gifs/marker_size.gif differ
diff --git a/buttons/tab_bar_callback.py b/buttons/tab_bar_callback.py
new file mode 100644
index 0000000..c59147f
--- /dev/null
+++ b/buttons/tab_bar_callback.py
@@ -0,0 +1,34 @@
+import dearpygui.dearpygui as dpg
+dpg.create_context()
+
+'''
+If you use a callback in directly in dpg.tab_bar, e.g.
+    with dpg.tab_bar(tag='tab_bar', callback=tab_bar_callback):
+then the callback is only called when the tab changes. If you want
+it to be called whenever the tab bar is clicked, i.e. even when 
+clicking the same tab, then here is a workaround.
+'''
+
+def tab_bar_callback():
+    for child in dpg.get_item_children('tab_bar')[1]:
+        if dpg.is_item_hovered(child):
+            dpg.split_frame() # wait a frame for the tab to change
+            print(f"{dpg.get_value('tab_bar')} clicked!")
+
+with dpg.window():
+    with dpg.tab_bar(tag='tab_bar'):
+        with dpg.tab(label="T1", tag='T1'):
+            dpg.add_button(label="button1")
+        with dpg.tab(label="T2", tag='T2'):
+            dpg.add_slider_double()
+        with dpg.tab(label="T3", tag="T3"):
+            pass
+
+with dpg.handler_registry():
+    dpg.add_mouse_click_handler(button=0, callback=tab_bar_callback)
+
+dpg.create_viewport(width=800, height=600, title="Tab bar callback")
+dpg.setup_dearpygui()
+dpg.show_viewport()
+dpg.start_dearpygui()
+dpg.destroy_context()