In themes.php in addition to viewing available themes by numbers, it would be great to also have the ability to navigate by first letter of the theme.
Displaying 1–15 of 98 1 2 3 ... 7 »
Displaying c of 98 1 a b c ... z »
For instance, when I want to get to a theme beginning with the letter k, I currently have to guess which page would contain themes with that letter and then move forward or back a page or two.
Don't ask why I need so many themes. I just do. :-)