OK..After clicking picture in your library (new name for PB they gave us) go to the right of the board as i said and click on the second html and  (do not click right just regular click) and you will catch Copied on your mouse.  Now go back to your board and post and click  the picture icon....for animated picture just click ..(Uploaded Media) ( And From the Web.)..and click ADD.. for regular  still picture...will be( Browse) ..select picture from your computer and click  (From my computer ) and ADD.. thats it i think, that is what i did... I am not a good teacher but hope this helps..... 

Shazza x

..According to the picture you want to pick up..an animated or a still picture....