No problem. Just right click on an image and scroll down and copy "properties" (hgihlight the properties and strike Ctrl and C at the same time.) Then go to the posting box and place the following letters and characters in it:
. There are no spaces except between the img src. Then hit Preview and see if your picture shows. If your picture is there, you can post. If not, go back and check your work. You may have insterted an extra space, or left out a character. Posting pictures is the best part of HTML and really easy once you get the hang of it. Practice.