Blitz is screwing with jpegs

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No canvas, just a Graphics window.

The pics were taken from screen grabs so the dimensions aren't the same, but its the same image for sure. I cut out a tiny portion of the larger image, a section which showed the most distortion.

@Beaker: Look at the face and you can see where its a lot more blocky. I saved as png so that what you see is exactly what im getting.
Graphics 800, 600, 32, 2
SetBuffer BackBuffer()

Img = LoadImage("gfx/11.jpg")

While Not KeyDown(1)

DrawBlock Img, 0, 0

Flip: Cls
Wend: End
Heres the images at 2x to magnify the differences.


Just tested some more and it looks like every version of Blitz is modifying it in the same way. Full screen also makes no difference. If someone would be kind enough to load a large jpeg on their side and scour it, you may find the same problem as me.