Below is a selection of the online protest posters

Many creators took part in this project 228 posters from Japan and 13 posters from overseas were displayed.

Below are some of the posters collected by the blogger

Below are some of the posters used by the Vegetarian Society

Skyfall presents a collection of environmental posters from the Soviet period.

And it all began with two posters.

Here we share some of the beautiful and creative posters

We can find several examples of posters for December 7.

FIFA promotes fairplay on the banners around a football pitch.

Gloria Yip, a local artist, initiated a online poster action Breasts are not weapons.

Several Twitter users shared photos of billboards depicting the motivations for participating in the demonstration

Screentones are widely used by illustrators and artists, especially for cartoons and advertising.

One of the promotional merchandise items of the Lady Gaga concert. From the twitpic page of youngdancers

Participants have used them to make t shirts, banners, stickers, various badges and flags.

Performance artist Gloria Yip initiated an online poster action to protest against labelling a woman's breast as a weapon.

The Moscow Diaries provides a detailed account of the incident here along with an English translation of the posters.

In February, Dnipropetrovsk city Internet forum user Vtoroy shared several photos of a billboard advertising the Stalin tea.

European solidarity against austerity was expressed through slogans, placards and huge flags paraded in downtown Athens

The scorched remnants of one of the countless political campaign posters plastered all over the city float in a dirty puddle.

As Iranian protesters prepare for yet another demonstration on December 4, the Day of University Students (16th of Azar), they have created dozens of posters.

As such, several portraits by illustrators and graphic artists have been widely shared on the Latin American blogosphere under the hashtag Illustrators with Ayotzinapa.

Receiving over 3,000 submissions from December to February, the theme of the poster competition was When I m 20.

In addition, of course Churov the magician, the head of the electoral commission, became one of the most popular topics of these homemade placards.

It was originally drawn for Antinuclear Poster Exhibition held in Tokyo for 10 days in November 2011.

The signs they carried, among other things, read, 200 years of occupation enough and We ask for the liquidation of the consequences of the Hitler Stalin Pact.

Reporter Miriam Ramirez grabbed a few of the signs and headed out the next morning for a demonstration at the local prosecutor's office over yet another journalist.

Across the country, voters arrived on crutches and in donkey carts, passing by posters that threatened You vote, you die.

In France, during the 1992 referendum on the Maastricht Treaty, one poster used by campaigners for a 'Yes' vote featured a Yankee cowboy squashing the globe beneath his boots.

A massively successful crowdfunding initiative raised over 100,000 US dollars within days to mount a poster based counter campaign, this time in English.

Valdez's office has been repurposed as a storage room for signs and stickers protesting journalist killings, as staff have become something they never expected to be activists on behalf of the press.

Most of the time, I make posters, I post them on Facebook, my friends like it, don't like it, most of the time don't like it, don't share it, don't nothing, and it's another day.

The idea behind the billboards, according to the coalition, is to characterize those who oppose LGBT rights as in need of social assistance to overcome their own prejudices, especially in light of the institutional hatred for sexual minorities in the country.