I get a lot of questions about my theme/the themes I use. I always just save theme makers to my favorites and go through them occasionally when I think I need a new theme. Here’s what I’ve come up with over my time on Tumblr (in no particular order):

http://www.tumblr.com/themes/by/oohcamila

http://themes.simplynorule.com/

http://sinsationalthemes.tumblr.com/tagged/theme

http://heartgrenadethemes.tumblr.com/

http://themes.pouretrebelle.com/

http://yl-themes.com/

http://themesby0racular.tumblr.com/

http://thelovelythemes.tumblr.com/

http://loverei.ca/lovereithemes/

http://h4te.tumblr.com/mythemes