Then we would need a skinny board, a fat board

a medium board, etc etc. Exposure may not be your problem. Photos belong on the photo board where you can "expose" yourself daily and run an ad every 7 days just like everyone else.

I'm with Panthera on this. Why would TER need a special board for big woman? Should they also make one for thin women? Average women? Black women? Latinas? Asians? Brunettes? Fake tits? Real tits?

The board is what you make it.

This is coming from a niche provider. Snoop around some,  the search feature is your friend. There are plenty providers who post inquiring about this or that, some more gracefully then others but who doesn't love a complete train wreck from time to time!