diff --git a/components/API/api_json_to_requestbody.py b/components/API/api_json_to_requestbody.py
index 1f7a799..e49a90b 100644
--- a/components/API/api_json_to_requestbody.py
+++ b/components/API/api_json_to_requestbody.py
@@ -19,11 +19,11 @@ def _canonical_param_name(name: str) -> str:
 def _default_value(name: str) -> Any:
     k = name.lower()
     if "prompt" in k:
-        return "default prompt"
+        return "cute cat walking in the futuristic metropolis"
     if "response_modalities" in k:
         return "IMAGE"
     if "model" in k:
-        return "gemini-3-pro-image-preview"
+        return "valid-model-name"
     if "aspect_ratio" in k:
         return "1:1"
     if "resolution" in k:
diff --git a/components/API/api_schema_registry.py b/components/API/api_schema_registry.py
index 7c7dc49..4d2f12d 100644
--- a/components/API/api_schema_registry.py
+++ b/components/API/api_schema_registry.py
@@ -9,14 +9,6 @@ def _is_service_schema(node: Any) -> bool:
 
 
 def normalize_registry(raw: dict[str, Any] | None) -> dict[str, dict[str, dict[str, Any]]]:
-    """Normalize API schema JSON to provider->service->schema mapping.
-
-    Supports legacy single-schema format:
-      {"provider": "Gemini", "request": {...}}
-
-    And new grouped format:
-      {"Gemini": {"Text2Image Nanobanana": {"provider": "Gemini", "service": "...", "request": {...}}}}
-    """
     if not isinstance(raw, dict):
         return {}
 
diff --git a/front_end/api_schemas.json b/front_end/api_schemas.json
index 803312f..069bd56 100644
--- a/front_end/api_schemas.json
+++ b/front_end/api_schemas.json
@@ -4,6 +4,7 @@
       "provider": "Gemini",
       "service": "Nanobanana",
       "possible_parameters": {
+        "aspect_ratio": ["1:1", "2:3", "3:2", "3:4", "4:3", "4:5", "5:4", "9:16", "16:9", "21:9"],
         "resolution": [
           "1K",
           "2K",
@@ -50,6 +51,7 @@
       "provider": "Gemini",
       "service": "VEO",
       "possible_parameters": {
+        "aspectRatio": ["9:16", "16:9"],
         "durationSeconds": [
           "4",
           "6",
@@ -103,6 +105,7 @@
       "provider": "Gemini",
       "service": "Imagen",
       "possible_parameters": {
+        "aspect_ratio": ["1:1", "2:3", "3:2", "3:4", "4:3", "4:5", "5:4", "9:16", "16:9", "21:9"],
         "resolution": [
           "1K",
           "2K"
diff --git a/terminal_helpers/api_snippet_to_json.py b/terminal_helpers/api_snippet_to_json.py
index ca88929..ff67192 100644
--- a/terminal_helpers/api_snippet_to_json.py
+++ b/terminal_helpers/api_snippet_to_json.py
@@ -23,7 +23,7 @@ DEFAULT_SERVICE = ""
 PLACEHOLDER_RE = re.compile(r"\{\{\s*([a-zA-Z_][a-zA-Z0-9_]*)\s*\}\}")
 
 KNOWN_PARAM_OPTIONS: dict[str, list[str]] = {
-    "model": ["gemini-3-pro-image-preview", "gemini-2.5-flash-image"],
+    "model": ["example-model-1", "example-model-2"],
     "resolution": ["1K", "2K", "4K"],
 }