Troy, I have a suggestion on how clans sould work.
I think you should make it so that only a certain number of clans can be created to prevent everyone from creating their own clans and having no members in them but themselves.
- Or -
Keep the clans the way they are and make it clear that players can be in more than one clan, but cannot fight the LEADER of the other clan the player is a member of.
For example - Say I created a clan, and Will joined, and then you created a clan, and will also wanted to be in yours. Now if your clan faced my clan in PK, Will would have to sit back and watch as the other members fought.
Its just an idea, so I thought I would throw it out there and see what responses I get