I have actually hit the size limit for a LiveJournal post, so I've decided to split up my WCIF into multiple smaller WCIFs. This should make life easier all around. I hope it helps!
Key
GOS = Garden Of Shadows
MTS = Mod The Sims
MATY = More Awesome Than You
* = This item was placed in-game for a specific picture(s) and was removed after the shot was obtained
Ceramics bench by Nadira, from
MTS (obsolete if you have Free Time)
Basketball set (nonfunctional) by jwoods, from
MTS (obsolete if you have Free Time)
Toy garage (builds mechanical skill) by leesester, from
MTSPlayable sandbox by bienchen83, from
MTSRetro microphones (builds charisma) by cokenasmile, from
MTSChemistry lab stuff (one item builds charisma) by crocobaura, from
MTSStand-up bass by atavera, from
this thread on MTS
Sewing machine by cokenasmile, from
MTS (obsolete if you have Free Time)
Skill motor by Dr Pixel, from
MTS-recolors by comedy711, from
MTS"Skilling/Decorative Classic Convertible" by Dr Pixel, from
MTS probably obsolete if you have Free Time)
"39 Viking Convertible" (driveable version of the above car) by Dr Pixel, from
MTS"MiniGolfGreens" (suitable for a mini-golf lot) by MizzesSimmer, from
MTS"Simoun's Chocolate Factory" (allows you to make chocolate bunnies and plumbbobs you can sell) by MajorJeff, from
MTS"Candy Crafting Station" (allows you to make sellable boxes of chocolate, with special side effects to the candy) by Paladin, from
SimsWardrobe (Home > Sims 2 Objects > Other Objects > left-most column, fourth item down)
"Universal Wrench" (allows you to tinker with any car, Free Time or not) by psychosim, available from
VPN's Garage"1951 Smoogo P.A. 25 TDV Universal" car by vpn, from
VPN's Garage-tinker-with-able version of the same by psychosim, from their
LiveJournalThe Sim Bouncer (trampoline that builds body skill) by NixNivis, from
MTSRefurbishable computers and parts for them by Paladin at
Simwardrobe (Sims 2 > Objects > Refurbishable)
Keyboard piano by pacotacoplayer, at
MTS[More information coming soon]