To make signature using my tutorial you will need registered version of Adobe Photoshop CS2.
1. Make new document using this options:
- Widht – 400 pixels
- Height – 150 pixels
- Background Contents – Transparent
2. Chose Filter -> Render -> Clouds
3. Chose Filter -> Pixelate -> Mosaic and use this options:
4. Chose Filter -> Stylize -> Glowing Edges and use this options:
5. Set colours of background for example yellow and red.
6. Chose Filter -> Render -> Difference Clouds
7. Now create new layer (ctrl + shift + n)
8. Now you can add picture for example this:
Hint: You can download renders from planetrenders.net
9. Right click on layer name and chose blendong options. You can set there some effects like glow.
10. Click on the text icon 
and write text. I will write “wex”
11. Use blending options to set some effects.
12. Make new layer and use Rectangle Tool
13. Fill all field with Rectangle Tool and set fiil as 0
14. Go to blending options and set Bevel and Emboss (you can also set Contur).
15. Your signature is ready :
Horrible...