(Please use "Private message" if you are interested.)
I like to encourage the artists' passion. But just accepting request was disaster based on my experience.
So, to avoid it, I open the art trade!
I'm pretty sure that NewGrounds is better than DeviantArt, the rule is not that strict. Just keep the basic artist to artist respect.
However, If someone attempt to cross the line, the rule will be strict as DA.
You might wanna see my old arts.
https://www.deviantart.com/jameskaret/gallery
This place has them.