hey just thought id share with you my own riff its kind of a she hates me cheeky riff but 
give it a try email me if u have any comments [email protected]

verse pt 1
G——————————————————————
D——————————————————————
A——————————————————————
E—0—04—4—5—567—————————

pt 2
G——————————————————————
D——————————————————————
A——————————————————————
E—0—04—4—2—2—34————————

repeat this as much as you want then th chorus goes like this
pt 1 chorus
G—————————————————————
D—————————————————————
A—————————————————————
E—0—03—32—200—————————
pt 2 chorus
G—————————————————————
D—————————————————————
A—————————————————————
E—0—03—32—255—————————
play this twice for a decent chorus come up with some words and hey presto ya got a song 
add some solos and stuff and you can use this ending play verse twice then end like so
*=let ring
G—————————————————————
D—————————————————————
A—0—0—4—42—2—3*———————4*——————————0*
E—————————————————————
tere ya have it iwill post more and more already got a couple in mind see ya