there is a camera release thats been coded for plus on the rival forum that you can add yourself. just search "100% Habbo-Camera [WORKAROUND] by Steve Winfield on google
however if you want working camera and group forums your best bet is to use comet emu
and the boolean above it, change it to true. This won't actually make the camera functional fully, but you can take pictures and save it to your computer still with the effects you chosen. You can also do what @Monopoly mentioned.
Then for the Group Forums, I released them which can be found here: