Ports numbers are used to let the node know what kind of information you are sending. Port 80 tells you it is info following the HTTP protocol.
If you want to make a picture visible you will have to encapsulate it in http code.
You can't send it, the receiving side should ask for it by opening an webpage, w.ow. you should become a web server.
The 192 numbers you see are numers in a range only valid on a local part of a network, not on the outside. That complicates your question.
As far as I can see, there is no simple solution for your question.