well i can tell you now that the dresser and counter came with the ikea stuff pack
and the bed from wyatt's room came with the teen style stuff
pillow is by mirake at tsr:
http://www.thesimsresource.com/artists/mirake/downloads/sims2/meshes/objects/613456/both the bookcases use meshes from this set at tsr:
http://www.thesimsresource.com/downloads/sims2/sets/130607/with recolors by plasticbox at MTS2 here:
http://hideki.modthesims2.com/showthread.php?t=284586as for tiffany's bed, its a single tile version of a bonvoyage bed, not quite sure where its from, but all the curtains except the sheer one behind the head of the bed are part of the bed mesh. i'm not sure where the sheer curtain is from, i'll check in game.
I also don't remember where the bedding came from, or the tv, sorry
hope i could help!