Very easy trick on how to make a complicated/multicoloured gradient in GIMP. Use the pallete dock and make a gradient from there. This GIMP tutorial shows you exactly how to do it.
This Gimp how to shows you how to
open a dock in GIMP
make a gradient in GIMP
make a pallete in GIMP
make a gradient from a pallete in GIMP
Link to how to install Python on windows.
http://gimptricks.deviantart.com/art/Installing-Python-for-GIMP-2-6-155766287
A pretty easy but time consuming tutorial on how to make a vaporization like effect that would also look great in signatures.
Here is the Dancer stock you need:
http://i968.photobucket.com/albums/ae162/LewizStock/34-1.jpg
Font:
http://www.dafont.com/imagine-font.font
Use layer effects (script-fu) to make the dotted pillars shown on my background. A GIMP tutorial on how to make the dots, explained step by step. This tutorial let you know how to make them in GIMP.
Link to layer effects / Script-fu video:
Tools used:
Ellips select tool (marquee tool in Photoshop)
bucket fill tool
move tool using the arrow keys
Techniques used:
Making a round shape using selections.
Using layer effects (script-fu)
Making drop shadows in GIMP
Merging down layers
Duplicating layers
Beven and emboss in GIMP
pixelmove.com