Clipboard Manager - Not selecting Default clip

Usually increasing the option "Take snapshot delay" solves similar problems.

If this no help, please can you show the screenshot of Clipboard Manager properties (Clipboard page)?

Regardless of the "Take snapshot delay" value the concern exists.

   
Note the 'default' green circle with white check. I can sometimes get that feature to work, perhaps 5 percent of the time. I don't think I've ever been able to get an image, or anything with a long (more than a couple of lines) or html to work.