AVSIM does not currently host image posting via the attachment system so you will have to link your image from a 3rd party hosting provider such as ImgBB, Postimage.org, FunkyIMG.com, Photobucket, ImageShack, Google, OneDrive, Imgur, or, the one I use FS Files.org - http://fsfiles.org/flightsimshotsv2/. Most services provide 5GB's or more of free space to upload your images. More information at the following site - https://www.lifewire.com/free-image-hosting-sites-3486329 Once you upload yo