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https://chromewebstore.google.com/detail/tab-icon-customizer/dfaboceghjngecablfagkfgjjjcldbfm

Tab Icon Customizer - Chrome Web Store

Customize per-tab favicons and persist settings

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https://newsgroup.xnview.com/viewtopic.php?t=9888

folder Icon - Allways 48x48 on Alt-Tab??? - XnView Software

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https://www.rememberthemilk.com/forums/ideas/9556/?hl=en-US

Remember The Milk - Forums / Ideas / Add specific list or Smart List as an icon in the tab bar

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https://jalbum.net/forum/thread.jspa?threadID=57526&tstart=0&messageID=363682

Custom skin tab icon ... - jAlbum forums

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https://support.mozilla.org/bm/questions/1036673

mail.com icon/link removal from new tab | Firefox Support Forum | Mozilla Support

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https://www.rememberthemilk.com/forums/ideas/9556/?hl=es

Remember The Milk - Forums / Ideas / Add specific list or Smart List as an icon in the tab bar

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