I remember havin a long text file with a bunch of commands so i think there's a lot more out there than i found.

Ones i found easily enough, but i hope it helps. A quick google search for kotor console commands, will give you a metric f*** ton of codes to enter. C/Program Files/LucasArts/SWKotOR), edit swkotor.ini and under add EnableCheats=1 Then when playing press ' to bring down console.

While i can't help with a trainer, i can tell you that there is a full developers Console built into the game, as with most of bioware's older work.