An artist I watch, named Felix d'Eon, makes some lovely paintings depicting gay men and youth in beautiful medieval and early Japanese scenes. Thought I would share some links. Most of his images can be purchased as prints and I believe if you watch him regularly originals can be purchased from his site.
A knight and a faun
A Prince's Pleasures
the above images are from his deviantart. His website listed below features many more paintings. Be forewarned, most of his Japanese images are explicit