Adobe Photoshop Tutorials
Text with circular Explosion Background
Create a new document.
Type your text and center it. White on Black.
Use Filter --> Distort --> Polar Coordinates and choose Polar to Rectangular.
Merge the text layer with the white background (CTRL-E)
Apply Filter --> Stylize --> Wind.
Twice from the right and twice from the left.
Rotate the canvas by 90° counter clockwise (Image --> Rotate Canvas --> 90° CCW)
Apply Wind two times again.
Rotate the canvas back.
Use Polar Coordinates again (Rectangular to Polar this time)
Create an adjustment layer.
Layer --> New Adjustment Layer --> Hue/Satuaration
Hit CTRL-U and choose a red.
Duplicate the adjustment layer and choose a yellow for the new adjutment layer.
Set it's Blend Mode to Color Dodge.