I came across a print of 'The Human Condition', by Rene Magritte, in a textbook recently. I can't say that I like it, exactly, but it strikes me as a a visual metaphor for blogging. I did an online search. Voila.
Here's a variation, which reminds me of Edward Hopper's sunnier work.
I liked these very much.
And how about this as a cross between a medieval painting, and a Harvey Nicks Christmas window?