One thing that seems to be easy for most is posting flyers. I have received many gracious offers from strangers and friends to post flyers around their neighborhoods. This means so much!
If you have time and would like to post Booth's flyer around DC, I am including a link below to the poster. Here's what it looks like, and the link to pick up your own copy is below.
LOST_BOOTH_SHELTIE_DC.pdf - https://docs.google.com/file/d/0B_9PIEncAZs4VDhLY2RvY190d1E/edit?usp=sharing