====== Permalinks for Google Drive Images ======
Source : http://googlesystem.blogspot.fr/2013/02/permalinks-for-google-drive-images.html

While Google Drive lets you upload any file, the support for files that can't be edited using Google Docs/Sheets/Slides is limited. Google doesn't offer permalinks for images.

So you've uploaded a photo to Google Drive and the only options are to download the file and link to the image page. But what if you want to embed that image in a web page or simply post a direct link to the image? You may think that right-clicking the image lets you copy the image URL, but that's not true. Even if you check the source code of a page or use features like Firefox's "view page info", you'll get a link that doesn't work.
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Fortunately, there's an easy solution - **replace this URL** from the address bar:

http://docs.google.com/file/d/FILEID/edit

**with:**

http://drive.google.com/uc?id=FILEID
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//Or this solution also works :// 
//http://drive.google.com/uc?export=view&id=FILEID//

(where FILEID is a long sequence of digits and letters).

This only works if you've changed the visibility options to "public on the Web" or "anyone with the link" in the Share dialog.
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**Here's an example:**

Your URL file from your google drive images is :

https://drive.google.com/file/d/1FvhVqZuub_zjzGzfHCWAMB9S0w6NrFSuNQ/view?ts=56e7de5e

**Your FILEID is :** 1FvhVqZuub_zjzGzfHCWAMB9S0w6NrFSuNQ
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Now your new URL to used in your browser is : http://drive.google.com/uc?id=1FvhVqZuub_zjzGzfHCWAMB9S0w6NrFSuNQ
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And you would obtain a new URL that you can enter in the Xper URL field  : https://doc-0s-8o-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/1q26vpr6sre3k1a7gakh91oqp2svuktv/1458036000000/10941674021321527517/*/1FvhVqZuub_zjzGzfHCWAMB9S0w6NrFSuNQ
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This new URL will be the only one recognized as image format (eg: JPG,PNG,GIF...) by Xper.