We have one that rotates 31 fhg's from
http://lazonamodelos.com and
http://selenaspice.com
We have thumbs in 88x88, 90x120 and 110x150. Sorry no 160x160 but I'm thinking about redoing this and adding one for each of our 4 sites. I will add that size to the list of thumbs
http://www.latinteencash.com/galleryofday.php