We would like to take a moment to thank this week’s advertisers on DCist.

• Root for D.C., by using your AMEX card and help D.C. get the largest share of a million-dollar tree-planting grant.
• Zipcar, cars by the hour or day, just around the corner. Sign up now and get $25 in driving credit!
• The Duke Ellington Jazz Festival, with events around the city from October 1-7.

If you’re interested in advertising on DCist or any other site in our network, check out our online mediakit.