This is a free set of vector icons designed by BittBox for you to use in your webpage or blog (or anything else including commercial apps). The files are in AI, EPS, and SVG format, so they can be scaled to any size without having to worry about pixelation.
Customizing tip: In Illustrator's preferences > general section, make sure “Scale Strokes and Effects” is active.
Download: Vector Buttons and Icons
Requested: Illustrator 9 version (I have no way to test this)
Download: Illustrator 9 Version