[ronie]

may i suggest you have a look at the other default icons in confluence, before making suggestions? ;-)

none of what is presented above really fits the look & feel of confluence.

keep in mind that all default icons are:
- 256 x 256px
- 3D clip-art style
- coloured


as an example, this if what we currently use for all videos that don't have a thumb:


we could (to keep it simple) re-use this for videos with a hidden thumb,
or just create a slight variation of this thumb.