If you have a little creative talent - or even a big chunk of the stuff - why not zip over to Julia Buckley's blog and join in the design-a-birthday-invite competition? Julia's hitting 30 and she wants an invitation which will ensure she's not partying alone.
Of course, living in Australia means draconian quarantine laws, so no cake for any aussie winners (and your piece would probably have added arsenic after the upcoming Ashes whitewash) but it's all just a bit of fun.
You only have a couple of days so drag out Publisher, Corel or Illustrator and start hacking away.
Simon Haynes is the author of the Hal Spacejock and Hal Junior series (Amazon / Smashwords / other formats)