its simple
go to your Flickr or photobucket etc etc
select your image and "copy" your BBCode
come back to Motorheads and start your post or topic
along the top the is a banner with all your fonts and writing option
go to the 16th "image" icon and click once
a bar will drop down from the icon
paste your BBCode into the bar and click "ok"
your image is now ready to be posted