Wheel caps

I bought a 944 and i need a couple wheel caps for it...

where can i look,how do i know what to get?

i ordered some off ebay, but they weren't exactly what i was looking for.

these aren't my tires, but i have the cookie cutter ones...

without caps
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=66473&item=7951825906&rd=1&ssPageName=WDVW

with caps
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=6755&item=4513936892&rd=1&ssPageName=WD1V

Try these sites

www.automobileatlanta.com
or
www.performanceproducts.com

thanks, excellent sites.