We should have had a resource system years ago lol, its an idea i threw around in the past but no one really cared; I figured that i didnt have to bother as there were already significant collections around the place, and i could just navigate them.
As for what you've been saying Hyperhal, i think that should be something that sticks around after z3, ie we could have portal environment, with a page showing recent screens from fangames, and a page with random screens to view (click the screen=>takes you to the topic), and if we had a resource system, the most recent sprite(s) showing up in a little box for example. Also, something showing each of the completed fangames, with a short description, sortability, maybe ratings and reviews too (with a need of x posts to vote).
If we were to develop a resource system, we'd have to store it like a proper database; Map the storage elements to any arbritarily chosen view, orderable by Style, Type ( link, pnc, particle/explosion/fire effect, enemy, tiles, tiled-area, background environment etc), Size, format, Credit status ( editable with credit, non editable with credit, rip ) etc.
Any modern ideas to ZFGC-ize zfgc can't possibly be compared to GA: It was the opposite, taking things away from, not closer to, zelda fangame development.