It iss.. Kindof.. Basic I guess?
The tree definitely needs more work, roots? And what about that plain-ass grass you got going there?
I could see this work out LOVELY, but this just isn't executed properly..
Ermm i think perhaps you might want to look into downloading like photoshop or something, this doesn't look like it's been done on photoshop, if you downloaded that and watched a few tutorials would help you improve allot.