That Cemetry Gates cover is great
This post includes uploads of some quality Smiths/Morrissey covers - Brett Johnson does Ask, Joshua Rodin does GIAC etc - and the comments section mentions more - http://www.mentalfloss.com/blogs/archives/45903
i'm currently obsessed with one of my other favourite band's (parenthetical girls) cover of handsome devil.
http://www.youtube.com/watch?v=Obf6Ub2LswQ