Album of Wallpapers - Features pets: cats, dogs, horses, birds, and rodents. Three different resolutions, each with different pictures. Some controls are in French. [May not support some browsers.]
Animal Wallpapers Originals - Free pictures in several categories.
Birds & Blooms Wallpaper - Pictures of birds, flowers, and butterflies from Birds and Blooms Magazine. Available in 800x600 and 1024x768
Bob Sorem's Wallpaper Page - A small collection of mostly nature wallpapers: zipped BMP, with thumbnails.
Breathtaking Photos - Original pictures of flowers, landscapes and nature, no ads.
Butterfly Art - Animals, butterfly, and flowers, screensavers are also available.
ButterflyUtopia.com - Butterfly images and screensavers offered in popular resolutions. Note: May not support some browsers.
Dog Wallpaper - A collection dog wallpapers from Better Homes and Gardens.
Drew's Nature Wallpaper - Pictures, mostly of Mt. Rainier and Olympic National Park.
Edenpics - Royalty free nature and wildlife images in resolutions up to 1600x1200 pixels in JPEG format.
Flower and Animal Photographs - A mix of flower and animal pictures taken at the Indianapolis Zoo, White River Gardens and The Indianapolis Museum of Art. Available in three resolutions, 800X600, 1024X786 and 1280X1024.
Flower Images From Japanese Field - Pictures of flowers.
Flowerbud.com Wallpaper - Offers a monthly flower image with desktop calendar: requires registration and e-mail address.
FlowerShots - Original close-up flower photography in sizes 640x480, 800x600, 1024x768, 1280x960, and 1600x1200.
Free Nature Wallpaper Pictures - Over 100 pictures.
Free Wallpapers from Kenyan - Pictures from a Kenyan safari in sizes 640x480, 800x600, and 1024x768.
Garden Graphics Wallpaper - Collection of original floral photographs in 1024x768, 800x600, and 640x480 resolution sizes for use as personal desktop wallpaper.
Hawaii Pictures - Wallpaper size pictures from all the islands, plus postcards and screensavers.
Heavenly Wallpapers - Original photographs.
Henricks Outdoors Free Computer Wallpaper - Collection of nature and wildlife wallpapers.
Horses HQ - Wallpaper, mostly horses, at 800x600; some clipart and jokes.
I Need Wallpaper - Springtime tulips wallpaper for the desktop.
Images of Heaven - Desktop images and backgrounds of the outer reaches, galaxies, nebulas and star clusters.
Just for Christians Wallpaper - A collection of nature and country scenes in three sizes.
Kodak Members Gallery: Sample Wallpaper Pictures - Sample wallpaper pictures from Kodak available in four sizes (640x480, 800x600, 1024x768, 1280x1024). Not all are nature.
Mood Photos as Wallpapers - Photos of sunsets and clouded skies at 1024x768 pixels.
Nature and Flower Wallpaper - Original pictures in 1024x768 resolution, mostly of flowers, including information about where the image was taken.
Nature Photo Gallery - Landscape photographs by Kazushi Tamada, mainly of Japanese mountains.
Nature Wallpaper by Lawrence Goetz - About 100 original photos.
Ocean Photos Presents - Several pages of free ocean and underwater images for desktop wallpapers courtesy of John Petrak's ocean photos.
Photo Laboratory and Gallery by Suzuki - Nature scenes in Japan.
Powerfloe Network - Original 1024x768 photos: seascapes, landscapes and wildlife by Greg Voevodsky.
Pullman Area Wallpaper Pictures - Nature and flower pictures of the Pullman Washington area. Sizes available are 640x480 and 800x600.
Shades of Insanity - Offering photographs of flowers and plants, searchable by color and/or category.
Sky Pics - Images of the sky and clouds, in three sizes.
Swedish Nature Wallpaper - Bilingual site with a collection of free pictures, including flowers, winter scenes, archipelago and autumn scenes in 1024x768 resolution.
SwimmingCat Picture Libraries - Collection of photos that includes land and seascapes, animals, boats, flowers, winter scenes, and the city of Toronto.
Wallpaper FreeStone Group - Images from the botanical gardens in 1024x768 resolution.
Wallpapers Park Nature and Scenic Wallpapers - Landscape, flower, animal and scenic photos in sizes 800x600 and 1024x768 with thumbnails.
Western Sporting Raptor Wallpaper - Photos and drawings of eagles, hawks, falcons, and falconry.
WidgetBucks - Trend Watch - WidgetBucks.com