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Yeah, I had to really compress my avatar and I don't like that.
Plus I had to convert it from png to jpg.
@Crystal the Glaceon Did you try TinyPNG?
My PNG compression skills are getting really good because of GBAtemp. This very avatar of mine weighs 49kb. I think I nailed it.
I uploaded a 924 KB .png as my avatar, and GBAtemp itself automatically compressed it to 48 KB.