Do you want to help keep the server up? then donate! you get free stuff too!
here is a list of perks:

1$ or more = name prefix.
5$ or more = 30 levels of xp.
10$ or more = 1 saddle.
15$ or more = The donor head. (Named creeper head with prot iv)
20$ or more = haste 1 or speed 1 forever.
25$ or more = haste 1 and speed 1 forever, 16 diamonds.

Give donations to sam by 2/24/15!