iPod HELP!! ipod wont mount but..

[manglerbmx]

i can see it in diskutility so i'm attempting to make a disk image of it. when i click on repair or verify it says that it has an error. any help??? i have some very important files that i do not have back ups for. thankssssss.

 

[manglerbmx]

thanks for all the help, but the disk image worked.