First is to find another theme supporting and displaying thumbnails, second forget about thumbnails, and the third is to get our hands dirty.
The last one requires modifications to the theme's files or at least creating theme.
Download the latest zip file and extract the directory it contains..
Activate the plugin on 'Plugins in WordPress Dashboard...
If the theme displays thumbnails for both the content and excerpts I would not recommended it as you would get two thumbnails displayed.
The theme displays thumbnails for full content but not for excerpts or the other way around.
The plugin will display thumbnails for the part not being displayed by the theme not adding thumbnails to the other part...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
Added check to prevent activation if FPW Category Thumbnails plugin with bundled FPW Post Thumbnails is installed and active. 1.0.5.
Added check to prevent front end being loaded when both thumbnails for content and thumbnails for excerpt are not enabled.
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