Insim wouldn't affect it. Are you sure you have the updated versions, and removed the old versions? Also Have you tried the sims 2 hack conflict detection utility? to check for a possible mod conflict.
Did you also download the actaul community weddings file? You need more than the Arch to make it work. If you did download both, then Have you tried the sims 2 hack conflict detection utility? to check for a possible mod conflict.
brandi Hacks are game modifications to change defulats for the game. And you need to download the version of Pregnant Sims Wear Anything for the latest EP that you have. dizzydoriz- Generally stuff packs do not affect the hacks, but there are always exceptions.
First, we need to know which version you downloaded, and if you are using Inteen, and which EP's you have, Thank you! and, Have you tried the sims 2 hack conflict detection utility? to check for a possible mod conflict.