Do a search for "Wings" in freestuff and the MP here. The best bird type wings are the Angelyna Wings by robert.sharkey for sale at $8.00. There's free textures for them everywhere it seems. Daz has a number of different wings for sale. Everything from cloth type whispy, to demon wings. rDNA has some great free ones on the mechanical side. In freestuff here there's also a sphinx with seperate wings which might be better for a gargoyl. Search for "Catrina: Winged Sphinx(1.5 MB)" to find it. Anotations also has some Superheros with wings for free. Most of these are birdlike.