what do you mean, "big enough"....you mean to use cans?....you dont use a canvas, you go to home depot and by 0ne or two 8ft by 4ft tag boards.
old ART canvas [Broken External Image]:http://www.imagestation.com/picture/sraid214/pe2bd4aa384d79ed2a971a84626769e85/ecfcf788.jpg
yeah the nose is a little large, still looks awesome though heres a quick sktech of a tree i did in class
wow you are a jackass this is the other art thread a drawing of a tree is "other art" so really the question is: why are you questioning me when im the one who is right? dolt