Canvas?

[Art Ranger]

I would like a rougher canvas, and I have experimented with the options I already have, but it is just like normal canvas until the paintbrush is used up. I was wondering, if there is a place to download new or rough canvases, and if there is, could you please post a link?
Also, do you have any suggestions?

Thanks for answering! :)

[RobertSWade]

Ico-dy graced us with a pack of seamless textures awhile back. Number 15 might be what you're looking for.
http://www2.ambientdesign.com/forums/showthread.php?t=9646
:)