Alice in Wonderland, Part III, Flowers

Goth Rose Trellis at Marina Sims

Zita's Climbing Vines at Aussie Topender

Flowers and Globe Shrubs by 4everSimsFantasy

Roses by SimVeggie at MTS2 (note meshes needed - they are not included)

Big Hydrangeas by reica15 at MTS2
Big Hydrangeas # 2 here

Liberated Flowers by HP at MTS2 (daisies for the daisy chain)

Otherworld Garden by K8 at Parsimonious

Eponymous Garden by K8 at Parsimonious

Eponymous Strawberries RECOLOR by khakidoo at MTS2

Snapdragons by Khakidoo at MTS2

Hollyhocks by bienchien83 at MTS2

Sims 2 Cri & Sims 3 Cri

Sims 2 Cri is an extensive site with downloads, forums and contests. The site is in Italian and English and hosts downloads for both Sims 2 and 3.

Sims 2 Downloads
Clothing: Clothing is trendy and haute couture, with themes including a Playboy swim/ lingerie collection, wedding dresses, maternity wear, traditional Oriental looks, and others.

Whole Sims: Tons of gorgeous male and female sim models, sims of the Sims2Cri staff, and celebrities, including the Gilmore girls and two Twilight characters.

Hair: Hair recolors, mostly for female sims.

Accessories: Eyeglasses, scarves, jewelry, handbags and pacifiers.

Build Mode: Columns and Half-walls, Wall and Floor sets.

Lots: All kinds of lots: Residential, Community, Lodging, Dorms, and Apartments.

Buy Mode: Room and object recolors of all types.

Genetics: Two skin sets and three eyesets.

Makeup: Basic trendy makeup, plus four facemasks - beautymarks and a beauty routine set (upper lip wax, anyone?)

Pets: Cats and Dogs, plus some pet stuff recolors

Sims 3 Downloads
Accessories: Female leggings

Whole Sims: Fergie, Avril Lavigne, Myley Cyrus

Clothing: Mostly for adult females, but a few for teens and male adults/ teens as well.

Lots: Mostly trendy residential, but a few community and apartment lots as well.

Makeup: Eyeshadows

Neighborhoods: Two available

Patterns: Hundreds to choose from

Objects: Sets and single items

Misc: Icon packs, Shoes and Tattoos

Mods available

Sim e Napule

Sim e Napule is a popular site with loads of modern downloads for your Sims.

Sims 2 Downloads:
Clothing: High fashion looks, mostly for adult female sims, but also a few outfits for teen females and adult males. Site also has several "As Seen On..." looks and clothing meshes.

Objects: Modern furniture sets for your high fashion sim.

Eye sets: A number of eye sets, designs based on European nationalities.

Build Mode: Wall and floor sets, fence sets (including glass block "walls"), and two beach terrain sets

Accessories: High glamour necklaces and earrings, and designer handbags

Lots: A few residential lots

Complete Sims: Seven adult female sims

Sims 3 Downloads:
Clothing: High fashion looks for adult female sims, including an "As Seen On" section and clothing meshes

Objects: Modern furniture sets

Make-up: One lipstick set

Eyes: Four eye sets

Pattern: Dozens of trendy patterns to choose from

Lots: Three modern homes

Complete Sims: Four adult sims

siManiac

SITE DOWN?

siManiac has an extensive collection of Sims 2 downloads in a variety of styles.

Downloads:
Hair: Female hair recolors in both naturals and colors/ streaks.

Clothing: Cool looks for your male and female sims in a variety of styles and for different ages.

Makeup: Loads of make-up, both cosmetic and effects makeup.

Genetics: Many eye sets

Accessories: Bags, eyelashes, jewelry

Objects: Cute and colorful room sets, wall art, build sets and decor

Lots: Houses, Apartment Lots, Community Lots

Sims: Celebrity Sims, Horror Sims, other Sims

Themes: Valentine's Day, Winter/ New Year's, Mother's Day (clothes), Horror/ Gothic

Parsimonious

                      Parsimonious

Parsimonious has been around for years. Nine of them, in fact. They are a creative and talented group of designers who make CC for Sims 1, 2 AND 3.

Sims 2 Downloads:
There is so much CC here, I'm not going to bother listing it all. Suffice it to say, if you're looking for it, Parsimonious probably has it. It's one of my go-to sites, particularly for themed and fantasy items.

  Sims 3 Downloads: 
   Parsimonious's Sims 3 downloads are as expansive as the Sims 2 CC. Anything you are looking for, you will likely find at Parsimonious.

Simple Life

Simple Life website

The Simple Life is a tiny little website with very beautiful things!

Language: Site is in Japanese with some English translations.

Downloads:

Buy Mode: Many Maxis objects recolored to look worn, painted, or metal. Recolors of other CC makers objects, including many tablecloth covers.

Build Mode: Some Maxis door & window sets recolored to look painted and homey. Similar recolors of CC artists window meshes as well.

Clothing: One Teen Male t-shirt set and recolors of the loin cloth mesh.

Make-up: Make-up sets and facial sculpting/ highlighting sets.

Full-face makeup: Facial hair for men, wrinkles for elders, "looking around" contact lenses.

Brows: Several sets of natural looking brows

Facial hair: Many facial hair recolors.

Eyes: Two large eye sets.

Several sets available at Easter Egg forum; click the pics to get the download.

Sunni Sims

Sunni Sims website

Downloads:

Objects: Lots of lovely furniture recolors, decor recolors, and unique meshes.

Lots: A wide variety of residential houses.

Build Mode: Maxis fence recolors, and Maxis-match windows

Landscaping: Outdoor flowers

100% Free Site!