I mostly dwell on tumblr, either on my personal blog or one of my many RP blogs. I use DA to post my especially completed works and showcase my art but I do also have a tumblr art blog that may be a bit more filled and active but also includes sketches and a few short comics.
If you'd like to see a bigger selection then that would be the place to go.
A lot of my art is primarily fueled by the enjoyment I find in creating OC's and designing them around a series but if I love a canon character enough I will draw them as well. I'll usually draw using a pencil but if I'm feeling particularly brave I'll add some color to it using my prismacolo