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Not sure, but I believe this is being tweaked as we speak. It has been some issues with image uploads in the past couple of days. JPEGs seems to upload nicely unless very high resolution

I don't have the newest GPU, not the most VRAM. So I go for 915x572 currently. I didn't had issues with the images size here, so far.

That resolution shouldn't be any problem

On which comment/post I've to click on re-thread? the first, none?

Great job! You can simply drop the link to your container in the megathread, and add some category tags. Something like this:

#coffee #mountains #sunrise #aigraphics #aiimages
https://inleo.io/threads/view/ben.haase/re-leothreads-wcu3zr7m

(to re-thread a thread, you simply paste the url of the thread you want to re-thread)

So it's not particular necessary for a #container post?

Not sure I understand the question. Any thread on any level can be re-threaded

If you want to help add to the megacontainer, simply paste the link to your sunset/coffee-container thread into the ai graphics megacontainer

– completely optional of course