I have the free version of Object Dock, and when I have the Running Applications feature on it works fine- expect for the fact that when I minmize Firefox it doesn't show the screenshot. All other programs when minimized show the screenshot, but not for Firefox, no matter what site I am on.
When I minimize firefox, the screenshot goes up and less than a second later it dissappears. It flickers away almost. I've included a screenshot of what my running applications part on ObjectDock looks like after the screenshot goes away.
Does firefox always do this on ObjectDock? How can I fix this?
Edit:
P.S. the blue outline in the attachment is not on objectdock , it's just the outline I added so you know which one is firefox.

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