[NEPatriot]

You could alsos try to create an open marketplace for styles so anyone can submit/buy.

[watty]

Looks like envato already has this: http://graphicriver.net/category/add-ons/photoshop/styles

[pbhjpbhj]

IMO this is probably the only way to win in this area. Get other people doing the marketing for you ("buy my layer styles at ...") and take a portion of revenue from a lot of other peoples transactions.