So loupaerin suggested that I try out Ibis paint, and I thought that this is pretty cool. Thumbs up and a thank you to you, pal! Anyways, I was playing around and I did this

(btw I forgot my watermark before I took a screenshot and I erased it. I couldn't recreate the effect, so) Then I turned on the filter...

uh... WHATEVER YOU REMEMBER THESE TWO?!

They're still in my math worksheet