Pick up a format you rather use (poses can only be installed as Packages), and install it in your game: If you use EA Launcher: Sims3Packs Place the.
With this File you simply need to double click it and the Launcher will.
Script mods can not be installed further than one subfolder deep from your Mods folder.
I've double checked this and I'm 99% sure it's a compression issue, items did show up in catalogue when uncompressed. Up to now this has happened I think only with CAS items. package files don't like to be compressed and will not show up in catalogue. However I've found one little glitch: some.