If you want some easy songwriting tips then please go along to my site and check out some of the ideas on there.
There are plenty of tips and tricks, including a couple of songs stripped down to the basics and a Free Songwriting Guide.
Songwriting is great fun, very rewarding no matter what type of song you write, so give it a go and enjoy it.
Also you don't need to be a guitar genius! I have an example of a 2 chord song on there. Come on, you must know 2 chords!
It would be great to see you there:
www.squidoo.com/write-a-song
Cheers
shayman