- The system would either have to be system neutral, or a new system that would then also be Open CC for anyone else to use. Or possibly something like Open d6, mini6
- The world would be open, and other people could write for it, provided that they themselves release under open CC.
- The title would not be pay what you want, or have any $ value to it. I would of course put it up as a free download.
- The note taking would be immense. Any open CC material I find would have to be stated as such within the text. Not really an issue, but its about book keeping - find something cool write that shit down. now.
As far as links are concerned, here are a BUNCH!
Free Fantasy Maps - There are some super awesome ones here.
Openclipart - You have to dig, but there's some great stuff here as well.
Dyson Logos Commercial Maps - Licensed under CC
Open Adventure - I have to check to see if this is actually CC or not. .
And of course you can find some amazing artwork at drivethrurpg.com
All of the above could get us started on something crazy big!