Sharing this to all of you.

[b]Programs
Programs used to make sigs.
Photoshop (Free trial only, you have to buy it for full copy)
GIMP
Paint.Net
PhotoImpression (Not free)
Paint Shop Pro (Not free)
Paint

Renders
Renders are pictures without backgrounds. Also known as cuts. They are used as the main points of the signatures, such as characters from shows and anime.
Planet Renders (requires sign-up)
Game Renders (Requires sign-up)
PSDProtocol
Recommended: N/A

Fonts
The different looks for texts. To install them, add the font file into /WINDOWS/Fonts.
Da Font
Recommended: Eurostile, CAC valiant, Sell Your Soul.

Brushes
Can be used to smudge or used for backgrounds. To install brushes, go to where you installed Photoshop, and go into Adobe/Photoshop/Presets/Brushes and add the .abr file there.
DeviantArt Photoshop Brushes
DeviantArt GIMP Brushes
Recommended: D118, Metal CX brushes, Ghost Abstract brushes (All PS).
My Photoshop Brushes (credit to Hinduragi)

Tutorials
These are step by step guides to help you with GFX.
Planet Render tutorials
Anime Render Tuts (requires sign-up)
Dutchdesginz Tuts
(GIMP Only) GIMP Talk

Recommended: N/A

Stock Images
Images with backgrounds/ordinary pictures. that can used for various purposes such as backgrounds, focals or special effects.
Google Images >.>
DeviantArt Stocks
Spirtes
PB Stocks : 1 || 2 || 3
TAK~ Pack #1
Recommended: N/A

awesome guide ,lots of information:),thanks for sharing

No Problem eh.