Posting an image on here is easy if you have already uploaded it to a host. (in you're case you already have!)
Here's a very brief list of what's required to post an image on these boards.
1) First type the code below in either a new post or as a reply to an existing thread
2) You then need to replace the red star above with the address the image is hosted at, in the case of your first image above it will look like this
If you have done the above correctly you should not see the code entered but instead you will get
I do hope this is at least some help to you and other members too
Regards
Stuart