diff --git a/models/wan/wan_handler.py b/models/wan/wan_handler.py
index 8316d6d..20c3594 100644
--- a/models/wan/wan_handler.py
+++ b/models/wan/wan_handler.py
@@ -296,11 +296,19 @@ class family_handler():
             if text_oneframe_overlap(base_model_type):
                 ui_defaults["sliding_window_overlap"] = 1
 
+        if settings_version < 2.32:
+            image_prompt_type = ui_defaults.get("image_prompt_type", "")
+            if test_class_i2v(base_model_type) and len(image_prompt_type) == 0:
+                ui_defaults["image_prompt_type"] = "S" 
+
     @staticmethod
     def update_default_settings(base_model_type, model_def, ui_defaults):
         ui_defaults.update({
             "sample_solver": "unipc",
         })
+        if test_class_i2v(base_model_type):
+            ui_defaults["image_prompt_type"] = "S"
+
         if base_model_type in ["fantasy"]:
             ui_defaults.update({
                 "audio_guidance_scale": 5.0,
diff --git a/wgp.py b/wgp.py
index 1eb3fca..124ae5e 100644
--- a/wgp.py
+++ b/wgp.py
@@ -61,7 +61,7 @@ PROMPT_VARS_MAX = 10
 
 target_mmgp_version = "3.6.0"
 WanGP_version = "8.4"
-settings_version = 2.31
+settings_version = 2.32
 max_source_video_frames = 3000
 prompt_enhancer_image_caption_model, prompt_enhancer_image_caption_processor, prompt_enhancer_llm_model, prompt_enhancer_llm_tokenizer = None, None, None, None
 
@@ -6142,11 +6142,11 @@ def eject_video_from_gallery(state, input_file_list, choice):
     return gr.Gallery(value = file_list, selected_index= choice), gr.update() if len(file_list) >0 else get_default_video_info(), gr.Row(visible= len(file_list) > 0)
 
 def has_video_file_extension(filename):
-    extension = os.path.splitext(filename)[-1]
+    extension = os.path.splitext(filename)[-1].lower()
     return extension in [".mp4"]
 
 def has_image_file_extension(filename):
-    extension = os.path.splitext(filename)[-1]
+    extension = os.path.splitext(filename)[-1].lower()
     return extension in [".png", ".jpg", ".jpeg", ".bmp", ".gif", ".webp", ".tif", ".tiff", ".jfif", ".pjpeg"]
 def add_videos_to_gallery(state, input_file_list, choice, files_to_load):
     gen = get_gen_info(state)