These are addons that I have bookmarked for possible use in the future.
Show less chrome by default unless it's needed
This will remove all the restriction and the limits you have in the networks when downloading files. You need a Download Manager add-on such as DownThemAll to download files but you can use this add-on alone to watch streaming videos, documents ect..
Personas Expression adds a lot of customizable visual styles to Personas themes.
You can design your browser more completely.
Will You Become The Stylist Of Browser?
This add-on will open the File Browser at the right location, using simple filters on the downloaded file.
The filters are based on filenames and hosted domain's name.
custom additions to Stylish extension.
brings back features from 0.5.9 and adds new features
I can't be bothered to change SC, so amo will allow it to be uploaded
Disable the addon compatibility check window (and optionally the first run page) when switching between different channels of Firefox.
Bulk/mass image downloader. Download the original full-size images from image thumbnails.
Cloud-based add-on that turns your browser into a universal file viewer. Open 500+ file types with Firefox. Anywhere. Anytime.
CommentBlocker is an addon which essentially blocks, or hides, all unwanted comments on websites you visit. It can be used as either a blacklist or a whitelist for websites, letting you decide what to filter out and what not to.
Take control of your tabs! Purposely lightweight extension with the following features...
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.