Make lightning strikes of any length. Because these graphics are seamless, you can repeat the same lightning on top of each other to create lightning strikes of any length. Use this technique to create long lightning lines then use the Puppet Warp feature in Photoshop (Edit Puppet Warp) to distort it.
Use these lightning strikes the way you like to. These graphics come 3 of the most useful formats:
BONUS: Retro curves preset to complement these lightning strikes!