I use this pretty advance program called paint, probably too hard for you to use. But in all seriousness i just piss about with triangles when my internet doesn't work and then these come out
Grayn
Older things, click to enlarge.
O.C.Disturbance
Mreddy
Brittle
Romohi
Headache
Expratter
Trioflauge
Jewel
Stained Glass
Mosaic