make sure you're including the
transparency flag when you paste the image.
ie, paste image ID,300,300,
1
add it when you load the image as well:
load image "myimage.png",1,
1
if that doesn't work, then there may be an issue with your .png file and you should attach it so we can take a look at it.
ps: what you want to achieve is completely possible (and simple) so don't give up.
just needs a little ironing out. here's a quick example of 2 png files displayed over a 3d sphere using both
paste image and
sprite:
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