There are several online sites which have retro backgrounds. Web Designer Ledger, Six Revisions, Web Designer Wall, Hongkiat and Noupe are sources where retro backgrounds can be found.
photobucket.com is a great website to find animated backgrounds!
Sonic Retro games can be bought online from fan websites. Sonic discussion forums are also good places to buy second-hand Sonic Retro games and consoles.
shabby blogs or the cutest blog on the block websites
www.sunshinee.com
one of the websites that offer old candies is called groovycandies. Another vendor of retro candy is oldtimecandy. There are several vendors of this type of candy.
There are a number of websites that allow one to download photographic backgrounds. One can get such backgrounds from 'iTunes', 'Softonic' and 'Shutterstock'.
There are several websites that offer a selection of Photoshop backgrounds, such as PPT clipart, Creative can, PSD Graphics. They all offer a variety of abstact effects.
I think the best layout/background codes are at www.profilerehab.com They have really good designs.
There are a number of websites one can purchase retro sweets from online. One can purchase many retro sweets from 'MyCandyShop', 'We Luv Sweets' and 'Zap Sweets'.
There are many companies and websites that offer retro bottle caps that are from the 1950s. Some of these websites that offer bottle caps are The Bottle Cap Museum and Northern Express.
There are numerous online websites where one can locate rainbow backgrounds. Angelfire is one such website that offers a wide selection of these backgrounds.
Examples of websites that feature downloadable city backgrounds for a computer include, Wallpapers Wide, Desktop Nexus and Vista Themes. These websites allow you to download wallpapers for free.