Please do it in the proper place, like Lineup help/feedback forums and not on other threads or within the comment section of a player item/card.
Oh, and maybe actually take screenshots
and not make up something in lineup builder - this way people can see your actual team , how they are boosted, etc.
You can do it in imgur, it is easy. Save your screenshot on your phone or PC, then upload to imgur, then copy the direct link and paste it here....like this:
I think you will get a lot more - and better - tips on your lineup this way. Hope this helps