I'm going to prepare a release of the ATtiny85 source code for the long range IR emitter (http://andybrown.me.uk/wk/2011/07/09/building-the-phototrap-part-5-the-long-range-infra-red-beam-sensor) shortly. For now though, here's the compiled hex file ready for flashing to the ATtiny85 attached to this post.