I'm working on a Jam Jar Collective project at the moment that involves projection and motion tracking. This is a little tester app that hooks up to your webcam and follows any movement it sees. Press 'Start webcam' to have a go. You need to have a webcam and your computer will ask your permission to use it.

This motion tracking app was made using Flash CS4 and ActionScript 3. You can download the source code if you fancy tinkering with it.

Firstly I'd like to introduce The Jam Jar Collective. I started working with Dave Lynch and Stuart Childs on FriiSpray and it sparked so many new ideas that we decided we wanted to do more stuff together. When you create things together you need a collective name, so we became the Jam Jar Collective.

When you've got a name, it turns out you also need business cards, so that people won't forget your name after you've met them. I get really excited about playing with the idea of business cards to make them a bit different and more memorable. I came up with the idea of using real jars of jam. …

A few of us at Old Broadcasting House have been working on FriiSpray for a while in our spare time. It's a virtual graffiti screen that uses a WiiRemote and a spray can with a infra red LED in it. It's been a fun project and a great example of the opportunities and ideas that sometimes come your way in a co-working space.

We've been doing some testing this week and I've been ironing out some bugs in the Flash graffiti paint interface. It all had to be ready for Ignite UK North when we finally going to show it off and let people play with it. We had a slight problem with stray infra red …