Another option is http://partfinderuk.co.uk/There is the free option of doing a the search online each day.
I think I can panel beat and fill that mate. Though I'd need it for a week to do a pukka job. Can't say for sure without seeing it in the flesh but I'm kinda sure it's do able. To do it gratis I'd havta use a metallic silver I already have, which may not match your side panels, so may need to do them too. Alternative is you source the proper paint colour and I'll use that. Offers there bud if it's any good to you.