Freeware Descriptions:
FlashGot is a free Mozilla/Firefox/Thunderbird extension, meant to handle single and massive (”all” and “selection”) downloads with several external Download Managers.
Here is complete features (taken from authors site):
FlashGot turns every supported download manager in a download manager for Firefox! Works with Firefox: 1.5 – 3.1a1pre.x
What’s New in version 1.1.7.8:
- FlashGot Media compatibility with joost.com and other redirecting movie sites
- f4* Flash video support (thanks mk.2 for request)

File Size / OS:
- 298 KB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista
Download FlashGot 1.1.7.8: