Keep things under 2500x2500
At the moment this booru has no means of sizing the image down. so if you post a full 4000+ pixel image it will display at full resolution!
Keep your pictures under 2500x2500 as a limit. This will make them easy to view. Anything bigger will be pretty rough
Keep your pictures under 2500x2500 as a limit. This will make them easy to view. Anything bigger will be pretty rough