This is right when you get off the boat in our local town, Santa Cruz. It means "For a better Santa Cruz, I am Patriota." Patriota is a controversial party whose symbol is a fist.
There are catchy, annoying songs for every party that are played off of loudspeakers on repeat, big rallies where people carry flags or get to ride on some large boats on the lake, a rarity, and lots of freebies like free shirts that advertise the various parties.
I've been working with Alex to start our own collection of pictures from the various parties' ubiquitous symbols. Here are a few of them...