i don't know about resource heaviness or whether they will fit hiro, but they look angelic: guardian angels by darkworld designs heaven wings by fkdesign archon wings by darkworld designs angelyna wings by sharkey there are also the anghell wings, but you might have to make your own texture for them. oh, and while digging whence i got erlik's free angel wings, i just found this link, which contains a list of angel wings complete with images; very useful. the renderosity links still point to the old marketplace, but i suspect you know how to handle that.