Bondage Breakthrough

Click the link to get the hacks to pull this off! Amazing!

Links from there...
a - the cuffs and action hack
b - action hack
c - the gag or c
d- the blindfold

Chris Hatch's Red Light

The new prostitution system by Chris Hatch. Should be cool!
get it here

More Film Help

Here's some more film help

Pulsar Films Hacks List
JD Movies Links

Rimming

Just another thing that's possible and found on BAS. Not a hack but moving sims around a bit.

Jokerswild New Positions Hack

First Part Debuted on 10/11/08

Jokerswild Started his Adult Animation project which were meant to replace the XXXSims hack which was from a paysite, decent at best, and to allow a lot more functionality and animations. Here's an overview and where the links are located now
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Chris Hatch's Downloads

Have also been moved to Back Alley Sims

Including this Bigfoot Family for Bon Voyage

Naked Massage

You'll need Bon Yoyage for either

Hack and Hack

"69 Pickup" Strip-Poker Table

Feel like a game of strip poker? Link is here

New Crammyboy Cock

New Crammyboy Cock Add-on is here. Released Dec 2007.
Or here is an officially released verison.

UPDATE: As of October 2008 here

Girls Only Gnome

This hack drives all the men off a lot. Nice hack. Link

Strip Light

Another Stripper Hacked Item. Link

Hotter Tub

For more than couples. Bring on your orgies. Link

Nudists

Thread for all the available nudist hacks!

New Sex Animations (?)

Looks like some are in the works and almost ready. Here and here. Soon, soon!

Also a new version of the Sex Rug? A few vids. 1 2 3

Skin Changer Painting

Appears there is a new skin changer painting here Rather newish. Works for many Warlokk meshes.

Stay-Things Shrub

Tired of making an ornate house and then losing all your furnishings once your sims move out? The stay-things shrub is the perfect hack that allows you to keep your property as you left it for the next owners. Recommended!

Rape Hack

Carrigon at Sims2Workshop has a rape hack. I've never used and don't plan to but it is out there. Basically you fight another sim naked and they get a nasty "rape" memory and get a big negative rating. Not my cup of tea but just in case you wanted it.....

XXXSims 2 Donation Pack 3

Get it now! Adds 7 more sex positions to the 2 from XXX Sims Donation Pack 2. These can be used anywhere and are not objects. Also on PMBD.

There also many bondage hacks but keep in mind they aren't great.

Aussie's Topenders

Some really decent hacks here. Big highlights are the traffic-inducing traffic shrub and the Easy Sims 2 Cheats (with quick boolprop commands via F keys!)

The Boolprop Easy Sims 2 cheats program is amazing and a very small program (no install).

A Few Selected Hacks from this Week

A few select hacks that i found and may up downloading and using:
no relationship decay
community block parties
teen adoption
always bring a friend home from school
remove plumbob and though balloons (pre-Open for business) under NO BALLOONS PATCH
working beer keg and here
elders can dress younger
gender preference adjuster
no more party crashing police
no family size limit
romance mod (easier breakup)

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Before I forget I have to mention the biggest and most well known hacked object. The Insimenator (under which a whole forum was named after). All kinds of thing are possible with this device. Age changes (physical), abortion, independent teens, family tree editor, relationship editor, polygamy, teen marriage, and almost anything you could edit in Simpe.

The big list of well know hacks