Russ
lets start with the assumption you have the picture loaded to a site- such as photobucket and you are using a windows machine (i don't know about macs)
three ways to do it, in each case- open the picture in photobucket (or where ever)
first way
right click the mouse (or mouse pad on a laptop) on the picture and one of the options will be copy image location
left click on that
what you saved looks like (with out the dashs)
-http://i248.photobucket.com/albums/gg195/setterw/image_zpsdcaxdyda.jpg-
you can click on the image tab above- the yellow postcard thing with mountains (sorta) and erase what is in there and paste this address in there and hit enter
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OR
second way - right click and copy (same as above)
then
you can paste it into your post and put a [IMG] in front of it and a [/IMG] at the end
so bracket-IMG-bracket-http://i248.photobucket.com/albums/gg195/setterw/image_zpsdcaxdyda.jpg-bracket-slash-IMG-bracket
will give you
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or - in photobucket when you have the picture open you will see links on the right - one is labled "IMG"
click on that - it will turn yellow and say copied- then you can paste that into your post