i go here
/www.jumptags.com/petersiw/
a good site for download all stuff free

i download stuff for the sims 3 from this site:www.thesimsresource.com..
it's realy good alla you have to do is to make an acount.............

What I do is when I visit a site, I look up the links or affiliates. Just be patient browsing, there are a lot of sites that offer good, free stuff.
For clothing, I highly recommend lianasims3.net and annamariasims2.com. These sites offer fresh, cute, glamorous clothing for your sims.
For hair, visit xmsims.com.
thesimsresource.com is a great site too.
You can also try:
simcredibledesigns.com
simpossible.net
stylistsims.net
modthesims.info
Happy simming!

i like thesimsresource.com
modthesims2.com
lianasims3.com
peggysims.com

~*sims3sims.blogspot.com*~ THEY MAKE REQUESTED SIMS! Like celebrities and self-sims, all you do is request who you want and they make them! They also do your searching for you, just comment in one of their posts, or send them a message, and they'll look for what your wanting for you. :)

thesimsresource.com
modthesims.com
anubis360.blogspot.com
ladyfrontbum.com

All those sites are my personal favourites. But Sims3Sims.blogspot.com found them all for me :D