Window posters have a key role to play in many winning Liberal Democrat election campaigns because the more likely people think we are to win, the most likely they are to vote for us. Seeing lots of their neighbours displaying posters helps raise that credibility.
The online equivalent is to change your Facebook profile photo, Twitter avatar, instant messaging picture (and so on, depending on which services you use).
There’s a graphic below you can use. Just save it to your computer and then use it to change your profile picture / avatar / icon. You may have seen it spreading quickly already across Facebook and Twitter. So why not take a moment to add your own virtual poster to the display?