I get plenty of traffic. 50~ pageviews per day, 50~ favourites a day and 80 watchers.
You should try these things
1.Force your work on every single pony group ever.
2.Submit as much stuff as possible to Equestria Daily. Rejected? Well practice, and try again. Ask someone who can draw what to fix, fix it, and resubmit.
3.Constantly advertise that you do free requests.
4.Do a stuffton of free requests.
5. Be really active. I post at least one drawing a day. If you can't get finished drawings up that often, post WIP pics.