BDSM Click
http://www.bdsmclick.com
has banner spots and paid gallery listings for sale (see pricing):
http://www.bdsmclicks.com/list.html
BDSM for All is ranked #1 by Sextracker, you can check the stats here:
http://ranks.sextracker.com/spn.html?cat=BDSM&cls=ranks
We have paid gallery spots in most categories and these are the most
productive purchase. You will need to send me 30 galleries with short, 3
words or less, descriptions for each paid gallery spot purchased. Your paid
gallery spot link must link to your gallery.
There are banner spots that link directly to your tour pages (see pricing):
http://www.bdsmclicks.com/list.html