Need help solving advanced (5 star difficulty) Sudoku puzzles?

There are some advanced technique tips on youtube here a href="http://www.youtube.com/results?search_query=advanced+sudoku+techniques&aq=0" rel="nofollow"http://www.youtube.com/results?search_qu…/a and here a href="http://www.squidoo.com/sudoku-tips-strategies" rel="nofollow"http://www.squidoo.com/sudoku-tips-strat…/a