Light Beams + Rays Photoshop and GIMP Brushes by redheadstock on DeviantArt
Photoshop Brushes: Light Rays - ZevenDesign
How to Create Your Own Light Ray Brushes From Scratch in Adobe Photoshop - Envato Tuts+ Design & Illustration T… | Photoshop, Photoshop tutorial, Picsart background
Rays of Light - Photoshop brushes
Add realistic Light Rays with Adobe Photoshop (Brush in description) - YouTube