Several billboards have gone up in Tampa with messages aimed at Republicans, who are holding their 2012 national convention there this week. Different groups supporting and opposed to things like women's reproductive rights and measures to curb climate change have paid for signs advocating their positions.
Of course, there is the official welcome billboard from the city of Tampa, featuring Democratic Mayor Bob Buckhorn, but in addition, Democrats and progressives have arranged their own welcome signs and below are a few examples.
The first one pictured was paid for by Ruth's List Florida and reminds conventioneers that their gracious host city is Democratic:

Across from the convention site, attendees are greeted with a digital billboard that flashes a slightly different image every few seconds, but with one very clear and consistent message - Mitt Romney's an outsourcer:

In order to make it more difficult for convention participants to escape the admonishing advertisements, the DNC has literally 'mobilized' billboards with images of Romney and his birther buddy Trump:


And let's not forget the special video message prepared just for this GOP gathering: Mitt Romney and Paul Ryan: The Do-Over - ConventionReinvention.com
This is the exclusive online trailer premiere of the Romney-Ryan campaign's GOP convention reinvention of Mitt Romney and Paul Ryan: "The Do-Over."
Romney advisers believe he's viewed as "stiff, aloof and distant" and that the GOP Convention will be "a chance for a fresh start". Their plan includes Mad Men "slick packaging" and a "theatrical," hollywood-style reinvention.
Opening this week in Tampa, Florida—Mitt Romney's convention reinvention: "Do-Over".