Removing rear light clusters!!!

[Erm]

bought some already and tryin to fit them today but i couldnt get the stock units out!!!

i've undone one screw per set from under the bumper and the 4 nuts on each light...... am i missing something???? is it just a case of brute force to get them out or is there another thing holding it in???

PLEASE HELP ME!!!!

and dont just reply keep the stock units cuz i dont want to

 

[Erm]

ok never mind.......its been sussed.....

there are two screws per cluster, one on the far side

what a pain in the arse :x