- Start a new document about 600x600 and fill the
background with BLACK.
- Use the type tool to create your text in white.
Make it big and space widely spaced apart
- Then go to Layer->Flattern Image.

- Now go to Filter->Stylize->wind
( Method: Wind. Direction:
From the left)
- Press CTRL+F to reapply the filter.
- Now go to Filter->Stylize->wind
( Method: Wind. Direction:
From the right)
- Press CTRL+F to reapply the filter.

- Press D to set your colors to
black and white.
- Go to Filter->Render->Difference Clouds.
- Then use the type tool again, and
create another WHITE text exact same
size as the original, and place it over the original,
covering it, then set its opacity to 60%. This will
make your text whiter if it was darken by the difference
clouds filter.

Now flatten your image again. Layer->Flatten
Image
- Go to Filter->Stylize->Extrude.

- Then Image->Adjustment->Invert

- Now go to Image->Adjustments->Color
Balance
For each of the Tone Balance, set the following color
levels.
- Midtones: [ +100 ] [ 0 ] [ -40 ]
- Shadows: [ +70 ] [ 0 ] [ -70 ]
- Highligts: [ +80 ] [ 0 ] [ -40 ]
Here is mine.

You can use the above techniques to apply to random
shapes and the result will be something like rocks sinking
in lava instead of text. Thats what tutorials are about,
you learn, and apply the technique your own way.