The Sims 2 Holiday Stuff Hyacinth Plant for The Sims 3 by The Ninth Wave

Download at The Ninth Wave Sims

Love Posters and Pillows by lpvinyl21

Download at Black Pearl Sims

Valentine's Pattern by Lornaly

Download at Lornaly Sims 3 Designs

Valentine's Decor by San Valentin

Download at SimPLE - registration required

Christmas Dress, Shoes and Stockings by Sims Maker

Download at Sims Maker

Sims 3 Marketplace Updates

Update includes:  Living sets, kitchen, bathroom, hospital room set, decorative money, shovels, lots Sims and more.

Download at Sims 3 Marketplace - Registration required

New Decor and Living Room Set by Peggy

The first two things are free and the living set is donation.

Download at Peggy Zone

decor 1, decor 2 and living set

Christmas Toys by Sandy

Download at Around The Sims

Holiday Recipes Book by NewOne

Download at One Billion Pixels

New Holiday Accessories by Mango

Download at the Sims Cave

New Cushions and Holiday Decor by Jennifer

Download at JenniSims - Registration required

Santa's Sleigh for Sims3 by hexameter

Download at Mod The Sims

The Sorceress and Company Updates

Download the lot, these patterns and more at The Sorceress and Company