Hmm, I wonder if a two-part list would be helpful?
At the top, favorites, sorted by ... something. Name? With useful links, including preview and ability to remove favorite status.
Then, below, a chronological list of the styles/themes used, complete with full date-and-time stamps, ability to modify (add/remove) favorite status, links to the parent style, maybe even links to search for other things of the same name (like when the same color scheme is offered for different styles) and preview links.
This could be paginated if necessary, because if you try on a lot of styles, that page could get long. Ability to sort the list by duration might be key.
Notes might be nice as well, such as "Don't try this one again until they fix the [thing that drove you up the wall last time]", because I know that on LJ I used to try styles that I really liked the look of, realize they didn't have something I needed, drop them, and then forget why I didn't like them, try them again...
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At the top, favorites, sorted by ... something. Name? With useful links, including preview and ability to remove favorite status.
Then, below, a chronological list of the styles/themes used, complete with full date-and-time stamps, ability to modify (add/remove) favorite status, links to the parent style, maybe even links to search for other things of the same name (like when the same color scheme is offered for different styles) and preview links.
This could be paginated if necessary, because if you try on a lot of styles, that page could get long. Ability to sort the list by duration might be key.
Notes might be nice as well, such as "Don't try this one again until they fix the [thing that drove you up the wall last time]", because I know that on LJ I used to try styles that I really liked the look of, realize they didn't have something I needed, drop them, and then forget why I didn't like them, try them again...