problem with my gears

im a noob and recently got myself a marin wolf ridge for a first proper bike. But i have a problem with the rear derailleur when in first gear on front an 9th on rear this happens

any help would be awsome im mechanicaly minded so would like to fix myself rather than taking it to lbs.
heres the bike in full

any help would be awsome im mechanicaly minded so would like to fix myself rather than taking it to lbs.
heres the bike in full

0
Posts
have a read http://www.bikeradar.com/forum/viewtopic.php?t=12647117
Parktools :?:SheldonBrown