flash for pentax me super

I have the me super and can anyone advise me on the easiest flash to use.

Any of these will work well, and simply, in auto mode. Just set the flash to auto and the camera speed to X (for flash sync):

http://www.bdimitrov.de/kmp/flashes/non-TTL/index.html

They are often sold on Ebay for around £15 - £20.

George