diff --git a/scripts/publish.py b/scripts/publish.py
index 2fe87cc..4afebaf 100755
--- a/scripts/publish.py
+++ b/scripts/publish.py
@@ -66,6 +66,17 @@ def extract_image_references(content: str) -> Set[str]:
 
 def find_image_in_source(image_ref: str, source_dir: Path) -> Union[Path, None]:
     """Find an image file in the source directory."""
+    # First try exact path relative to source_dir
+    full_path = source_dir / image_ref
+    if full_path.exists():
+        if full_path.is_symlink():
+            resolved = full_path.resolve()
+            if resolved.is_file():
+                return resolved
+        elif full_path.is_file():
+            return full_path
+    
+    # If exact path doesn't work, try finding by filename
     image_name = Path(image_ref).name
     
     # Search for the image recursively, following symlinks
@@ -76,6 +87,17 @@ def find_image_in_source(image_ref: str, source_dir: Path) -> Union[Path, None]:
                 return resolved_path
         elif path.is_file():
             return path
+    
+    # If still not found, try searching with spaces replaced by hyphens
+    image_name_alt = image_name.replace(' ', '-')
+    for path in source_dir.rglob(image_name_alt):
+        if path.is_symlink():
+            resolved_path = path.resolve()
+            if resolved_path.is_file():
+                return resolved_path
+        elif path.is_file():
+            return path
+            
     return None
 
 def process_images(content: str, source_dir: Path, dest_dir: Path) -> str: