Reserved slots is going to be a bit tricky.

Currently if I enter 5 people on the reserved list then once the server has 27 people in it no more will be able to join.

So they best thing to do is leave the list at 0 and give those that have contributed access to kick a person if the server is full.

So if you have contributed some funds, please sign up for a clanforge account and pm me your acocunt details so I can add you to server access.