add case insentive and force download support

public/.htaccess

@@ -3,6 +3,14 @@
         Options -MultiViews -Indexes
     </IfModule>
 
+    <IfModule mod_headers.c>
+        <FilesMatch "\.(?i:pdf|doc|docx|zip|txt|mp4)$">
+            <If "%{QUERY_STRING} =~ /(^|&)download=1($|&)/">
+                Header set Content-Disposition "attachment"
+            </If>
+        </FilesMatch>
+    </IfModule>
+
     RewriteEngine On
 
     # Add www subdomain if missing
@@ -21,7 +29,7 @@
     # Pass to media handler if the media request has query
     RewriteCond %{REQUEST_FILENAME} -f
     RewriteCond %{QUERY_STRING} .
-    RewriteRule ^uploads/(.+)\.(jpg|png)$ media.php?url=uploads/$1.$2 [QSA,L]
+    RewriteRule ^uploads/(.+)\.(jpe?g|png)$ media.php?url=uploads/$1.$2 [NC,QSA,L]
 
     # Send Requests To Front Controller...
     RewriteCond %{REQUEST_FILENAME} !-d