A realistic looking wooden box for you to do whatever you like with.
I think what would help with that is a bump map. Just search on google on how to make a texture into a bump map. All it does is give the texture a little more bump to it. That will make it a bit better.
all you need to do is turn on the geometry in the textur settings. also be in GLSL mode
Random factoid: there are currently 59,500 results on Google for the exact phrase "realistic cartoon".
Actually, the cartoon-like appearance is an advantage for me just at the moment :-)
It looks really nice and a job well done but the textures don't look realistic enough. Actually it looks cartoon like.