Auto logs in to paypal

Auto logs into Gmail for you if Firefox remembers your password. Switches to a secure connection if you're not using one. Even allows the saving of passwords by turning autocomplete off if Gmail has it on.

Automatically logs into myspace for you if firefox remembers your password

Adds &fmt=18 to the url for high quality but not if any &fmt=x already exist and adds &fmt=18 to all the links

Ads remover and automatic download starter for ultimate guitar archive

Watch videos in high quality automatically. Now has a UserScript command to toggle a confirmation box. Made for people who don't login or save cookies. Uses JavaScript instead of &fmt=18; no reloading pages

Load all pictures from a thumbnail gallery at once and navigate them with arrow keys or mouse. Images may be zoomed with 'z'.