I'm not quite sure what time period you are talking about but there was this
http://www.subsim.com/phpBB/viewtopi...=polish#304768
..... although I don't think it was ever made available as a download.
The Kriegsmarine Mod also contained various remoddelled ships (by Serg) and many repaints.
http://www.subsim.com/phpBB/viewtopi...smarine#303455