Originally Posted by JosephFM

Post your gifs to http://www.reddit.com/r/nsfw_gifs and http://www.reddit.com/r/nsfw_gif for some extra exposure and if the gif belongs to a certain niche you can post to a plethora of subreddits like

http://www.reddit.com/r/bigboobs
http://www.reddit.com/r/milf
http://www.reddit.com/r/asianporn
http://www.reddit.com/r/boobies
http://www.reddit.com/r/ebony
http://www.reddit.com/r/blowjobs
etc

Here's a big list http://metareddit.com/reddits/over18/list