Checking my hitcounter details I note how many come here on the hunt for evidence of the "Neighbours" episode wherein actor Kyal Marsh appears visibly excited in his shorts, Thanks to atwt from the Digital Spy forums I have what you are after. The screencaps (and a video clip) of the August 2005 episode can be found at
And here's a sample:
Frankly I'm disappointed. I was expecting something more tentpole-ish.