Problems with xmms
 

I am trying to play an mp3 file with the xmms Audio Player. But whenever I try to play it I get this message:

Due to patent licensing, and conflicts between such patents and the licenses of other application source code, MPEG-1/2 audio layer 3 (mp3)
support has been removed from this application by Red Hat, Inc.
Sorry for the inconvenience.

I had read how to fix this in another forum, but can't seem to find it again. I think I have to install a plugin or something. Help anyone?

that'll be a pretty old distro right? redhat 8.0? xmms itself is a pretty obsoleteish program now, and if you were to upgrade to a newer distribution, these licensing issues are much simpler to work around for newer users. if you want to stick where you are, just install xmms from source, or use an alternatively packaged RPM from a 3rd party.

do you know where I can get an mp3 player for Fedora 7? and how do I install it?

use the livna repositories and install whatever you want through there, they have mp3 support. fedora 8 apparently has a natty framework which will obtain unlicensed codecs automatically as long as you acknowledge the disclaimers, which seems a good long term balance.