Oh, hey. Pathfinder has Retraining rules. So I can have my paintings teach me feats, and swap them out. Handy, not using Scribe Scroll at all, and probably want to stay away from minor components....
Of additional use is that it means I can customize my paintings to be more useful. Trade lower value feats (Improved Sunder, Improved Critical, et cetera) for higher value feats (Craft Wondrous, Craft Magic Arms & Armor). And when I get Forge Ring or Craft Rod, they can do those, too. Handy.... save my time via teaching the first one, and having it teach the others....