for pics
copy the web address ending in .jpg
myimage.jpg and put [ i m g ] m y i m a g e . j p g [ / i m g] and delete the spaces
for videos
for ex:. with
https://www.youtube.com/watch?v=a_XgQhMPeEQ highlight the text after the = and click on
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and the tool bar with that symbol will appear when you click oh 'Go Advanced'