I have 2 ideas concerning the Context Menu seen in the MP Browser.

1. First, I believe we should have the ability to customize what is displayed on the Context Menu. I think a new tab in Tools>Options can be made for this:

2. Some other apps on Windows, that use their own custom context menu sometimes have the simple ability to 'Link' to the users own OS context menu of Explorer's. I have seen it in Opera's download manager when right-clicking on an item 'advanced': http://i41.tinypic.com/10d7806.png
So in a future release I think we could have an (enable/disable) option to see this in the context menu of XnView MP too. I think it could be enabled by default. I made this to show you:

(can you see how I made 'Windows Explorer' link that could able to link and use main folder/desktop context menu within MP?)