Well, just created 3, but one sucked too much to be posted
As always, changes can be made or a whole new banner created.
1.

http://img705.imageshack.us/img705/5715/ambrosiacraft1.pngWhat can I say...
The text would probably look better with bigger stroke, but was too lazy to change it
Also noticed that it says "A Server with
ALL possibilities"
2.

http://img35.imageshack.us/img35/5191/ambrosiacraft3.pngNot too good either, created fast.
I like the colors, seem to fit together pretty well.