Fire Cubee Text

Create a blank document.

Black background. White foreground.

Type
your text in a bold font of your choice and apply Filter --> Blur
--> Gaussian Blur with a radius of something like 3.

Hit CTRL-E to merge down the layers.




Duplicate your layer and select the upper layer.

Apply Filter --> Pixelate --> Mosaic and set the Cell Size to 9 or 10, depending on the size of your text.







Now set the layer's opacity to 50 percent and use Filter --> Sharpen --> Sharpen three or four times.

Press CTRL-E again to merge the layers.









The last steps to add the fire color:

Go to Image --> Mode --> Grayscale

then Image -->Mode --> Indexed Colors

and finally Image -->Mode --> Color Table and choose Black Body