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Any way to display custom graphics on the Kobo Wifi?

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I've been trying lately to display custom images on my Kobo Wifi. I've had no luck
finding any documentation for the Wifi's imx357 and e-ink on freescale's website,
and pygame fails to recognize the framebuffer. So I tried converting an image to the
rgb565 format with ffmpeg:
Code:

ffmpeg -vcodec png -i image.png -vcodec rawvideo -f rawvideo -pix_fmt rgb565 image.raw
and displaying it with the program "pickel" found on the Wifi, but the image it displays
is distorted, as seen here (original image is shown in top-left corner):


Anyone have any suggestions? I can't stand having my Wifi hacked and yet not being
able to draw to the screen! Plus I need something to do until I can get my hands on a
Glo or a Paperwhite. :p

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