i think an important consideration when posting your pieces is...visibility! i post everywhere because at some point someone may google or stumble across this image and hit my deviant page or hit me with an email. so even places where i don't get much feedback(like say concept art) the exposure is still good. on this note-always attach a signature to whatever you are posting wherever...makes it easy to have people contact you or look at your work in your preferred arena.
deviant art - http://www.deviantart.com/ -essential...the place i can post mature sketches and everything is in as high of a resolution as i want. i can't say enough about the community-i love deviant
outcast studios
ten ton studios - http://www.tentonstu...forum/index.php if you haven't visited check them out. the weekly sketch challenge is fun and the sketchbook thread is good too-nice feedback and crits here.
concept art - http://www.conceptart.org/ ok this is a big forum...very big and easy to get lost/distracted. i have a sketchbook thread here with about as many views as i have on my deviant page. the difference is i don't get much feedback there-after say 2 years or so i have about 10 comments. still its great for search engines.
pixiv - http://www.pixiv.net/mypage.php honestly i joined pixiv to just look at the art...but i couldn't escape the urge to post my own too. the problem is of course a language/stylistic one. i dont speak japanese
cghub http://cghub.com/ i feel a bit like a fish out of water here...but who cares
cgtalk http://forums.cgsociety.org/index.php? another cg forum i found...i post in the anatomy sketchbooks portion-most of my stuff is just figures so it makes sense. i don't get many views here and no feedback so far
millar world http://forums.millar...um/19-creative/ - mark millars forum/message board. i just started a thread here(like 20 mins ago
social media sites
facebook ...i post images on my facebook page...i can't say that i get many views-my friends on fb sometimes like things i post
google + ...i post here too...not much exposure but i have had some interesting contact with people liking my images...it's cool-a good place.
side note-on both facebook and google+ i dont post nudes(presents a bit of a problem for me ^^;-practically everything i do is a nude
ok so now deviant makes it easy to hit a bunch of sites...top right corner they link to a number of 'social media' sites-ones i post images too:
tumblr http://www.tumblr.com/ -ok so this functions as a blog...i have never received a comment on tumblr-also they have no stat tracking. i really have no idea who sees these-if anyone.
pininterest http://pinterest.com/ -i don't know about this one...no stats but i just started here(i probably have say 8 images here )
stumble upon http://www.stumbleupon.com/home -completely unsure about the impact this one has...just started(i probably have say 8 images here too)
reddit http://www.reddit.com/ -just started here too...this isn't a 'gallery' perse...more like a link aggregator(again about 8 images here)
with the 'social media' sites above i can't say what if any impact they have had on hits...i have had no comments and stat tracking is non existent...but its so easy to submit off deviant that they go in the 'why not' category.
so this wraps up where i post an image-again feel free to post your own(places i may be missing).


















