What to get brother for xmas? Photography, Politics, Film.?

Hi :)

My brother is getting harder and harder to buy for as he gets older, because he doesn't tend to want very much, and though we've always been really great friends I don't live at home anymore so I miss a lot of stuff. Can anyone help me out? He does have some very specific interests!

He's 20 years old and working in his first job as a carer.

He's very interested in nature photography (has a camera already).

He's interested in philosophy and politics--he is an anarchist and the founder of an anarchist group in our home town. But for the past couple of years I've bought him books and I'm looking for something a bit different (and no, not an 'anarchist 'A' t-shirt. Anarchy and Anarchism are very different!)

He loves films, all kinds--foreign, current, classic, indie etc. but once again, I always seem to be buying him DVDs and I'd like to get him something extra special.

Please help! I love my little brother to bits and want to get him something unique this year!