Here are some great contests you may be interested it:
has just started her Lady of Nature contest, it has lots of prizes including 12 months subscription for the winner. Check it out at [link]
I will give a feature to anyone who pimps this contest, just drop me a note!
is running a Feline Fantasy contest, it is for digital art including manipulations and has lots of great prizes. go check it out at [link]
is running a contest where you make a deviation based on song lyrics privided, any art is accepted and their is no stock restrictions, click link for details[link]
is running a carnival of Venice contest, again any type of art is accepted and there are no stock restrictions, click stamp for details
is running a mix and match contest with great prizes, click below for details