If you're looking for resizable icons that work in non-canvas non-SVG settings, putting those vectors in a webfont is a pretty good idea too.
Check out: http://pictos.drewwilson.com/
Check out: http://pictos.drewwilson.com/
any reasonably complete unicode font should already include many of those glyphs. for the glyphs that aren't in the unicode standard, there are private use areas that could accommodate them.