>>80313472Having software like
paint.net isn't required but it helps make things go smooth.
First we create a large canvas, typically I go with width of the monitor and then five times the height. It can be extended later so just guess and move on. No biggie.
We select the background of the board type we're using, to me "Tomorrow" is best for caps so it's black, and we fill that canvas with that color.
Screencap each post, paste it into a new canvas, crop to the post individually and then paste it into the large colored canvas. Rinse, repeat. Ctrl+C, move to the cap canvas, CTRL+V.
Save as PNG, not jpg.