How do I make my character have different colors or a custom head/body?
If you've played Toribash for a while, you might notice that people have customized characters. To do this, you must gain Toricredits and use them to buy stuff.

1) To get different joint colors and more, go to the Torishop and buy the items that you like.

2) To have a custom body or a head, you need to buy textures (click here). After you've done so, you can design your own texture on any art program and upload it as your texture.
Here is a tutorial on how to make and preview your own textures.

How do I gain enough toricredits to buy items?
There are different ways to earn toricredits.

1) Buy toricredits and boosters - it costs real life money, but is the most effective way. You also get a lot of free promo items that you can use.
http://forum.toribash.com/showthread.php?t=78515

2) Win tourneys - the promobot will advertise them every once in a while. Sometimes you don't even need any real skill to win them, just luck will do.

3) Make and sell art - textures, signatures, avatars, custom toribash menus, whatever. Make them and sell them.
http://forum.toribash.com/showthread.php?t=63013
http://forum.toribash.com/showthread.php?t=285

4) Of course win games in official servers, which gets you 10 TC per win.

5) Check out the events board, people make different competitions there - art, replays, etc. Sometimes it's just creative stuff. Prizes can be pretty big there.
http://forum.toribash.com/forumdisplay.php?f=37