copy oneday.bsb and oneday.aas into your quake3arenaaseq3maps folder. Then start a multiplayer game (create server). Choose a normal quake3 level and make your settings (max frag number, time, players etc.). SET PURE SERVE
What it does: BASICS: Replaces skins of almost every item in the game with a cooler one! Modifies special effects! Don't worry, it won't hurt gameplay. =)