The thousands of companies involved in London's Olympics can now advertise their contribution, after restrictions were lifted.
The government has given 2-million pounds to the British Olympic Association to operate the new "supplier recognition scheme".
The association will license firms allowing them to highlight their work at trade shows.
More top news
The two projects going head-to-head today are Childs Hill Park for All in Barnet and Space Invaders in Lewisham.
Paul Kohler was left needing facial reconstruction surgery for a fractured eye socket.
Imagine tucking into a mince pie on Christmas Day to find an insect staring back at you.