Angelic Designs (Fee varies)
http://angelicdesigns.org
Offers several different membership options from one year ($25.00) to lifetime ($45.00). 

Amie's Country Home Graphics  ($10.00 fee)
http://www.amiescountryhome.com
Graphic and Pageset themes include: angels, baby, baskets, bears, birthday, clouds, dolls and friends, Easter, rocking horse, spring, winter and more. 

Ann-Marie's Country Graphics ($5.00 fee)
http://www.annemariesgraphics.com
Pageset themes memorial set, autumn, strawberries, bears and butterflies, ladybugs, my country home, welcome little brother, the sewing room, birds, girls, puppies, country tea time, country hearts, little bears, school, fall, tennis, angels, surfing, kitchen, various holidays, and backgrounds.

Buttercup Lane ($10.00 one-time fee)
http://www.annemariesgraphics.com
Pageset themes: fairy, nautical, primitives, Valentine's.

Chatterbug Graphics ($12.00)
http://chatterbugs.us
Some linkware is available.  Pagesets include the following themes:  Air Bears, Coffee Time, Feelin' Fruity, Happy Birthday, In a Mushroom House, Ladybug Lane, Memories of Yesterday, Mousin' Around, Out My Window, Pink Daisies, Pretty Flowers, Purple-ized, St. Patrick's Day/4-H, To the Stars, Under the Sea, Warm Spring Day, With a lot of Heart, World Without Color, etc.

Cinnamon Sweeties ($20.00 one-time fee)
http://www.cinnamonsweeties.com

Country Lil Creations ($10.00 one-time fee)
http://www.countrylilcreations.com
Pagesets include the following themes:  angel bears, beach, bee bears, birthday, Christmas, Easter, fall, Halloween, ladybugs bears, patriotic, spring, St. Patrick's, weightloss.

Comet's Creations 
http://www.cometcreations.com 

Country Graphics by Camille 
http://www.countrygraphics.com

Cricklewood Country (starts at $10.00 yearly membership)
http://cricklewoodcountry.com
Pagesets include the following themes:  beach, birds, Candian, fall, flowers, journal, patriotic, tea, unicorn.

Cute Countryside Graphics ($20.00)
http://www.cutecountrysidegraphics.com/ 
Offers 20 seasonal/holiday sets, 5 occasional sets, 10 cute critter sets, 11 miscellaneous sets, children and religious sets. Themes include: beach, bears, bees, birdhouses, birthday, cats, chickens, Christmas, country family, cows, dogs, dolls, Easter, Grandparent's Day, Halloween, harvest, hearts, kitchen, ladybugs, school, spring, stars, St. Patrick's Day, tea time, Thanksgiving, Valentine's, wedding, winter, and 4th of July; Site also offers stationery, wallpaper, recipe cards, gift tags, postcards, cursors and more. 

Country Hideaway Graphics (NO MEMBERSHIP FEE;  however, pagesets must be purchased.)
http://mycountryhideaway.com/graphics/ 
Pageset themes include: baby, Christmas, fall, Easter, kitchen, snails, snakes, Thanksgiving, Valentine's, winter birds and berries, and 4th of July; site also offers backgrounds and more. 

Daisy Dreams Designs
http://www.daisydreams.net
Some graphic sets are offered as linkware. Their themes include: Joy to the World, Missy's Mouse, Mary's Lambs, Mother's Day, Mouse Cracker Suite, Season's Greetings, Something Blue and more.

Enchanted Sky ($10.00-$50.00 memberships)
http://enchanted-sky.com

Friends Forever Graphics (3 months for $10.00)
http://friendsforevergraphics.com