I am the editor of The Big Picture blog on boston.com. AMA
(Per suggestion in yesterday's Reddit post: http://www.reddit.com/r/pics/comments/9s3cu/dear_news_sites_i_hate_your_shitty_flashajax/ )
I've been a Web Developer for about 12 years now, formerly with amazon.com and msnbc.com among others. I've been working for the Boston Globe for about 3 years now, mostly as a Web Dev. About 18 months ago, I proposed the concept of The Big Picture to the editorial team, created some mockups that look very much like the current site, got buyoff, and just started posting. It took off very quickly and remains one of the most interesting and rewarding jobs I've ever had.
AMA, I will try my best to answer honestly. (And thanks for all the link-love and support on Reddit too, it's been nice to watch as a lurker)