how do you make textures---i got a texture pack
do you do something on photoshop or gimp?

what is gimp?

You need either to make them (with Gimp, which is an image editor/creator like Photoshop), or buy them from texture makers, in the Market > Art/Textures

http://forum.toribash.com/showthread.php?t=81598
That tutorial credits to Pate5
hope it helps