Remove or increase the limit on clans.
Let us create ranks in clans.
Let there be an option by which to see who was the last line in the clan for inactive players.
Can be inserted clan achievements. Can be introduced without first performance bonus clan just for fun. If you have something such as alliances between clans and general chat, not in community of group.

Proposal for a community
Increase or remove the limit of 5 which can be - because there are some interesting and necessary :)