GTK2 themes not showing up in themes list

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http://ubuntuforums.org – I recently got back into linux with a fresh install of ubuntu 12.04. I purged and removed Unity and installed gnome-classic and some gtk2 themes. I know people run into problems where the themes do not show up in the advanced settings menus, but I have not seen anyone post or get a solution for my particular situation. I checked /usr/share/themes and the themes I installed are there alright. In gnome-tweak-tools, the theme will show up in the "window themes" list but does not show in the "gtk themes" list. Additionally, the "Shell Themes" dropdown is blocked o (Hardware)