Kopete, already installed, does AIM. You can installin GAIM to try it, it does all the major protocols. Under System-->Configuration-->Install software
MP3-Noatun or XMMS, already installed. You won't find an ACC player.
lpod connector, don't know what that is
P2P, don't know, never used any. Probably one installed, someone else jump in.
You might want to go through the Help docs you have. Mandrake comes with, literally, thousands of applications already. Install is trivial, if you learn how to use RPMDrake, etc. Download Mandrake RPMs, don't try compiling till you get your feel wet.
These are for 9.2, but most, if not all, still applies.