In order to show pictures you will need to host the photo somewhere. Most internet providers offer some FTP space to upload file too. There are also a lots of free places on the internet that will host your photos for free.
If all else fails you can email me a picture at firstname.lastname@example.org and I will upload them for you and send you the link.
Once uploaded the picture address should look something like
It is this text that you insert into the box that appears when you click image on the left side of the dialog box. The image is the top button above link.
I have had to edit this note 5 times to get this,
You must include the http: // before the image name.
I have insert spaces as the board software otherwise will display this as a link. There should be no spaces between