I was recently needing a number of small (16 x 16 pixel) icons for a project and came across the Silk Icons collection from FamFamFam, which I can thoroughly recommend.
“Silk” is a smooth, free icon set, containing over 700 16-by-16 pixel icons in strokably-soft PNG format. Containing a large variety of icons, you’re sure to find something that tickles your fancy. And all for a low low price of $0.00. You can’t say fairer than that … This work is licensed under a Creative Commons Attribution 2.5 License.
The only icon that I couldn’t find amongst that positive smörgåsbord of iconic loveliness was one for a QuickTime movie, but apart from that it’s served me well for what I’ve required.
Shopping cart icon
While on the topic of icons if you’re looking for an icon for a shopping cart (and let’s face it, who isn’t these days?) there’s an attractive one on offer for free at Bartleme Design.