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sure, I am still learning. I know html and css pretty good but markdown is more limited, though some things work.

don't forget also you can edit your posts for 24 hours as well.

i forget what the preview aspect ratio is exactly but if you make the head image match it fits exactly. it is somewhere between 16:10 and 4:3

Thank you, I really appreciate the support. I noticed that the bottom of my Jackie Chan meme is cropped. Do you know how to fix that?
Btw I will see you in 4 days, in Amsterdam!