SOME OF MY STUFF

[SOFT]

[wrftw]

First is best. Quit darkening edges like that.

[Jmr100]

yea when you darken the edges it should be lower op not like black XD

[+Josh Fx]

stuff*
Not staff
Anyway these look pretty lq.
Can't tell what from but maybe some textures or sharpening is making it look like that :S
You mainly just need to work on your colours at the moment