ok next, alanX.
I really can't critique your stuff much, since it's mostly abstract.
but man, you've got some really cool stuff. good job.
I love the multicolored smoke.
the only thing i'd say is to watch out for color, such as in...
http://c3.ac-images.myspacecdn.com/i...feead9ca92.png
that one, see how there is only one flat green for the grass, and a pretty flat grey-ish color for the sky? it could use more variation in my opinion.
but that problem was only present in a few of your pictures, overall you have some crazy stuff.
that apple is awesome.