tu jau to dou nesaprati...
RewriteCond %{REQUEST_URI} !(.*)gif$ [NC]
ir lai, ievadot bildes url, taa uzreiz tiktu atveerta, a
RewriteRule ^(.*)$ index.php?$1
ir lai visus paareejos pieprasiijumus nodotu index failam. nu bet vajag, lai noteiktai mapei tomeer gif failu url arii tiktu nodots index failam (php puse pasham sakidra, bet nu tas .htaccess ...)