It’s a square source image, 
with a dog face on a white background (overlaid with a ‘circle mask’ by Discourse.) But might it be a ‘transparent’ background that Discourse recognizes and drops, revealing whatever might be ‘behind’ it?
Compare The Carver’s:
@whip you have an admirer. Be careful, he’s a slippery little frog, though harmless. 
Also, welcome to the forums. 
Yes, welcome @whip.
thanks for the welcome.
if only peepeep could help me get some day time event recording! that’d be great!
Sounds complicated. Good luck. 