Kolfax> A number are mouse, a number are "touchpad" and a number are "non-pressure sensitive pen on a tablet notebook"...

But thanks for the praise.

I suggest you go actually here (http://www.cartographersguild.com/showthread.php?t=3822) it's about Rivers, but it helps you with lakes. When in doubt, stick up a WIP and the River Police will pass by.