1. Debian comes with Iceweasel. It is possible I read, I never tried it myself though.
http://deviceguru.com/adding-real-firef ... ian-lenny/
2. There is no official Adobe flash player for Linux/PPC. This has been a thorn in the eye for years. The only solution is to use gnash, which will give some sort of flash (very simple). It is possible to play downloaded swf / mp4 files with mplayer.
http://mac.linux.be/content/watching-yo ... lack-flash
You are free to sign the petition, which goes for years but nothing seems te be done about it
3. I would enable everything "Chinese" with synaptic package manger. Just do a search in sysnaptic with chinese and enable everything chinese. I have no experience with that.