You can find massive amounts of textures here on the net and DA [link]
. Rummage through the bargain bins at the fabric shops and scan in little fabric swatches. Cloth place mats, chairs, it's all good. Look for texture and pattern, colours can always be changed in photoshop.
I don't know if this works in other programs. I used photoshop.
Not to be reposted on other websites. You're welcome to link it though.
Got alot of questions about this, hope it was helpful