Kaffine and Codecs

I've got Kaffine 0.4.3b running on SuSE 9.2

I can't get some video types (.wmv for example) to play. It comes up saying Error: No Plugin Found to Handle this resource

I've downloaded some codecs after reading this article:

http://www.linuxforums.org/forum/topic-36562-0.html

Any further pointers?