That is possible for sure. It depends if someone wants to pay for it, but i dont really like to see that anything, no matter what, gets selled. Since especially the Preset-Textures are only usable in FeralHeart. But we allow that, as long as our Forum dont changes into a huge selling Place. Most ppl do Presets for Free anyways. Even Signatures or other Stuff.
But as i sed, everyone can, if he/she wants, no one has to.