No, no such capability is offered.
That being said, why not simply right-click on your photo to get its URL, then include it via a regular img tag in your post/page? Trying to insert single photos via Photonic will add considerable processing time to your page – Photonic first has to make a web-service call, then it has to process the results, then your site fetches the image from Google. But if you put in an img tag, you directly jump to the third step and eliminate all the overhead with the web-service.
