I found an add-on that will fix all your UV problems in one click!

[FedPete]

Great find!
Check also:

WIKI - Free Blender-related tools and addons

Work in Progress (WIP) This is a place to share free tools related to working with Blender. It’s a ‘fork’ of a WIKI - Free Blender Resources wiki-thread, that focuses on tools only. This is also a wiki-style post, so it can be edit by everyone! Also, be sure to check the license of a given tool before using them in your projects. Texturing painting and authoring ZBrush brushes - Alpha brushes for paint and sculpt Materialize - free tool for creating materials (textures map) from picture…