How To: Redirect Linux display to OS X
Open X11 type: xhost + (allows incoming connections from ‘anywhere’)
for extra security add machine name or username ssh to linux machine and type: setenv DISPLAY “ip address”:0 or setenv DISPLAY “full hostname”:0 (Note setenv is a CSH command, you may need to switch shells)
replace ip address with the ip address of the machine you arer connecting from.
Launch program (such as Gimp) and start using it.