Here are some textures for your icons. Some of them are from stock images (credits here) but I edited them myself, so please credit if using.
Fireworks 01 // preview | download
Random Lights 01 // preview | download
Gradients 01 // preview | download
Abstract 01 // preview | download
Outerspace 01 // preview | download
Outerspace 02 // preview | download
The Ring 01 // preview | download
Retro 01 // preview | download
Abstract 01 // preview | download
Colorful Lights 01 // preview | download
Butterflies and Nets // preview | download
Dust and Decay // preview | download
Friday Night Lights // preview | download
Twisted Metal // preview | download
Speed of Sound // preview | download
Ray of Light // preview | download
Smoking Aces // preview | download
Chalkboard Rampage // preview | download
Urban Life // preview | download
Abstract 02 // preview | download
Bases
I tried to find the prettiest stock images for you to use for bases. You don’t have to provide a link back for these if you don’t want to.
Origami 01 // preview | download
Sushi 01 // preview | download
Candy 01 // preview | download
Gradients
Gradients I created in Photoshop.
Gradients // preview | download