Make a Twitter theme
Make a Steam theme
Make a high-contrast keyboard theme
Make a gingerbread theme
Make an ABDL theme
Make an rDrama theme
Make a pooner theme
Make a tranny theme
Make a nazi theme
Make a commie theme
Make a /liberty/ theme
Make a furfaggots acking theme
Make an autism theme
Make an aryan theme
Make a shitskin theme
Make a banana theme
Make a plum theme
Make a Disney theme
Make a capeshit theme
Make a café theme
Make a Crystal Café theme
Make a theme where everything is the same exact color
Make a snow theme
Make a desert theme
Make a crip theme
Make a blood theme
Make a brap theme
Make a theme for every US state
Make a cookie theme
Make a namefag theme
Make a classic diner theme
Make a cake theme
Make a seethe theme
Make a clown theme
Make a theme where every button is an IAS gem and the whole page is in black and white.
Make a steel theme
Make a sooty theme
Make a ransom note theme that scrambles bits and pieces from every theme, and have it change every time you refresh.