sure there is. You upload the picture to one of the gazillion free upload pages on the internet, such as www.666kb.com. Most sites will actually give you html code that you just need to past in the comments field. All that you need to do then is to select "Format comments as Html" below the window. In case you post the image anywhere on the web that doesn't give you the html code, it has the form of <img src="http://urlofyourimage.png"> where the http:// is indispensable so don't forget.
You upload the picture to one of the gazillion free upload pages on the internet, such as www.666kb.com. Most sites will actually give you html code that you just need to past in the comments field. All that you need to do then is to select "Format comments as Html" below the window.
In case you post the image anywhere on the web that doesn't give you the html code, it has the form of <img src="http://urlofyourimage.png"> where the http:// is indispensable so don't forget.