htaccess issue from a noob

Hi Guys

I am trying to make a little htaccess code which redirects all my google images traffic to another page with sponsor ads.

I am just talking about redirecting the site in the the lower frame when you search and find a picture on images.google.com

I found some sort of code but it is not working.

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http:\/\/images\.google\. [NC]
RewriteRule .*\.$ sponsorads.php [R,NC]

What I wanna do in short so everyone understand.
I wanna take all my google images traffic and show them sponsorads.php instead of the blog.

I have quite a lot of google images traffic and dispite what people think, this can make you a nice buck if you play the game right.

Thanks to anyone who has an idea about how to do this

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Polle54.