This just started happening to me:

If I try to make a one panel comic it ends up being saved as a three panel comic, and I have to go back and edit it. I'm using Firefox, btw.

I had the same problem in Firefox and Internet Explorer. At least I know it's not just me. Anybody got a clue?

http://www.stripcreator.com/forums/showthread.php?postnum=219640

This bug should be fixed now thanks to the awesome testing services of knkx, Funnykid and HCRoyall. Thanks guys!