QQ talks about "support for FF 3.5".
I gather that is some sort of plugin? And does that mean that FF 3.0 is not supported? Or would this be new support since 3.0 support?
Are you able to try to see if it works better with FF 3.5.
What happens when you attempt Download All?
Do the other FlashGot options work correctly, FlashGot Link & or FlashGot Selection?
I assume you manually setup QQ in FlashGot.
What settings did you use (how did you set it up)?
http://flashgot.net/screenshots#options
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball NoScript FlashGot AdblockPlus
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.1pre) Gecko/20090717 SeaMonkey/2.0b1