Let this be a timeless lesson for all ages.
Look at the URL to the 'image' you're trying (and trying) (and trying) to link.
http://img80.imageshack.us/my.php?image=carnival0cs5dc.jpg
Ignore the .jpg ending. You're linking to a .php file.
Imageshack confuses motherfuckers at roughly the rate of 14 motherfuckers a day through this tidbit, and probably accounts for half the broken images here on LS.