Inspired by Mafia_Penguin's logo here.

Several logos for mail folders, all tranparent, made with different effects.

M - GMail
A - AOL
I - The old hotmail logo
L - Yahoo Mail

#1 - Reflection
#2 - Reflection, 60% Opacity
#3 - Reflection, Inner Bevel
#4 - Reflection, Inner Bevel, 60% Opacity
#5 - Drop Shadow

Folders2 is an updated folder icon set, working off my first set which you can find here. Below are the images and links to the new folder set; if you need a folder that seems missing from either set, feel free to post a response to this post with what you need and I'll add one for you. - euphonic

Some simple logos for those with small logos.

Sports, Videos, Comics, Mail, RSS, Search, News, and just a folder.

From Wikipedia, I put text on.

The Original:

A folder for your video-related needs. Now with two-variation goodness!

Part of the Folders2 set, you can find more here.

A folder for your download and torrent sites.

Part of the Folders2 set, you can find more here.

A folder for your sports-related sites.

Part of the Folders2 set, you can find more here.

A folder for your social network sites. Two variations.

Part of the Folders2 set, you can find more here.

A folder for your search engines.

Part of the Folders2 set, you can find more here.

A folder for your rss feeds.

Part of the Folders2 set, you can find more here.

A folder for your shopping sites.

Part of the Folders2 set, you can find more here.