[Hiphop]

Does anybody know if it is even possible to give each team it's own 3 skins to choose from?

[(.Aztec);]

You could just add three AddPlayerClasses, and then make it so only gTeam[playerid] == *** (Your team name), can spawn using that.

[Ov3rl0rd]

****** SAMP Wiki. In it, it will teach you exactly how to create teams and from that you can do what you want.