By Angus Farquhar, Michael Guy13 November 2007 16:15Long Way Down stars Ewan McGregor and Charley Boorman were joined by a host of celebrity names at an exclusive Biker Party to raise money for charity.The highlight of the evening event at Battersea Park in London was a charity auction which raised a total of £201,300.Check out the video below to see the stars talk passionately about their favourite charities then click the links to see them visit the projects during the filming of long way down.Click here to watch Boorman and McGregor at the Scottish Childrens HospiceClick here to watch Boorman and McGregor with UnicefClick here to watch Boorman and McGregor with Riders for HealthSource: www.motorcyclenews.com