ok, this just happened, and I am still catching my breath. I am going to attempt to lay out a little tutorial for people to help out. What is beautiful about this is the texture part is pretty easy afaik. This roster stuff was supposed to be the big pain and it looks pretty straight forward.
NBA Street Vol. 2 Roster Profiles for Hex On Steroids
Loading those files in Hex on Steroids will let you edit the xdbplyr.adf in the database folder of the game.
To unpack, edit/replace files, and repack Gamecube ISOs - http://www.youtube.com/watch?v=J1KgoUEe8jw
Basics on Hex on Steroids - http://www.youtube.com/watch?v=EdEbj6PI_L0
http://www.youtube.com/watch?v=a3vTwJ_WRaQ
Once you start hex on steroids and create a profile, goto your My Documents, Hex on Steroids, Profiles folder
Create a Folder called Street or whatever
Put the downloaded profiles in that folder
For the sake of testing and learning what the values are, here is the gamecube and PS2 xdbplyr.adf files.
That's all for now, the video will show it all. NBA Street vol. 2 HD here we come?