The images used in icons 01-10 and 12 were 'salvaged' from icyhothunks.com before they closed their doors. (I managed to rescue quite a collection so there may be another post like this one soon.)
The image used in icon 11 was from gallery.reedfem.com.
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Right click > save as, no hot-linking, please.
Comments are good, credit is better.
Thanks.