You can also try these related scripts:

• Tumblr Savior - Saves you from ever having to see another post about certain things ever again (idea by bjornstar, rewritten by Vindicar).
• Tumblr Overquote Trimmer - Hides excessive nested quotes that keep breaking your dashboard.
• Tumblr Tophats - Adds tophat to certain users' icons on your dash.
• Tumblr Multiline Asks - Allows you to send multiline asks on Tumblr.
• Tumblr Plain Blog Links - Allows you to disable Peepr side panel that pops up when you click on a blog name.