Thread:Bratpack/@comment-24239527-20150218114216/@comment-24675861-20150220140627

Go to an article with pictures, like Ivchenko. Hit Edit. Go to Source mode. See the double bracket "File:" part? Copy that style.

Practice. Use the preview key to see picture sizes. There are over 400 different editors to correct you if you print it wrong. After you have been corrected, review their work and compare it to yours. Learn what works and go from there...