Suggestion: Genning buckets, What is genning buckets? It is a bucket that looks like a lava bucket but it automatically gens for you! I'd suggest to make it a donation item for $5 at least.
Reason: Would be easier to gen walls
Example:
Note: Genning bucket should have a limit usage eg: 2000 (People build a lot of walls and we don't want to waste their $5 :()
Second suggestion: Make players able to fly in their faction territory
Reason: Would be helpful to build bases etc and players would enjoy it and enjoy the server even more.
Example: