[Aeraaa]

@FASTBOAT, here's how I do it:

1-Use windowed mode

2-If you have Windows 10, find an application called Snapshot. Just write it on the search bar and you'll find it easily.

3-Using Snapshot, copy whatever you desktop is showing (just drag a box around what your screen is showing).

4-Copy the image to an image edit program. I use the simple MS Paint, but there are better programs out there.

5-I use the MS Paint options to draw lines etc. and I have a separate MS Paint file with NATO symbols etc that I drew in order to represent formations.

6-Edit your image and save file.

7-Use an image upload site. I use imgur for example.

8-Upload your image and copy the URL.

9-Go to the forum and in the reply, choose the Insert image. In the bar that opens, paste the image URL. Just remember to delete the img part if the image upload site copies the URL with them.

10-That's it! The image will be shown the moment you hit the Post reply.

Hope that helps.