For the best amateur bird photography of the UK, visit the webpage of Richard Bedford. His stuff is great and I suspect he is responsible for an outbreak of emerging wildlife photographers all over England, but espacially Northamptonshire. He certainly got me hooked. He has links to most other British birders on his website as well as interviews and other usefull info. Check out his flight shots of owls!
For great amateur photos of birds visit this Dutch site. Anyone can download a photo onto their site, but if you do, expect some critism. However it`s all in good spirits and just ment to look critical at your own and other`s work as to improve standards. Overall quality is impressive for a bunch of amateurs.