Web devs! My Steven Universe themed placeholder image service has an actual website now. Hurray! https://placeholder.rocks/
The logo is a lovely piece of handcrafted SVG experimentation, which is something I've not done a huge amount of.
The hard part was actually getting the wave mask just right. In fact, it was so hard I made a generator to do it for me. https://placeholder.rocks/wavy.html
And now it has a fancy image URL generator, which I planned all along but only just got around to making. https://placeholder.rocks c: