Adobe Photoshop Tutorials
Spiky Text
Step 1
Create a blank document, I made it 400*100px, you might want to make it larger.
Black background. White foreground.
Choose a nice font (not too thin) and write type your text.

Step 2
Hold down CTRL and click on the textlayer's icon to select your text and then apply Filter --> Render --> Clouds

Hit CTRL-D to deselect the text.
Step 3
Hit CTRL-E to merge down the layers.
Step 4
You're going to use Extrude now (Filter --> Stylize --> Extrude..)
I used these setting:

Play with the settings until you are satisfied with the spikes.
Step 5
Almost done!
Hit CTRL-U to dye the spikes.

That's it. Depending on your choices for Extrude and the color, the result will look something like this:

