I am in a similar situation, however I will certainly send one to you Tony, I have also been contacted & asked exactly what
to write, so I'd like to give an example of one I wrote for Andrew (Dunechaser), at least it will give people an idea of how to continue. FYI I had already prepared this one in advance for Flickr & TBB, it's only slightly modified for CC
Andrew has made his mark on the LEGO fan base both in person and offline by doing what he does best, building community. Through his efforts on the popular The Brother's Brick blog he has continually strived to unite the diverging interests of the online community in one place for all fans of LEGO to enjoy.
Andrew is a long term member of the Classic-Castle website and a frequent contributor to discussions. He often highlights Castle themed creations on The Brothers Brick website, promoting the castle theme and bringing it to a larger audience.
Andrew is also reknown for his love of the minifig and has become one of the most notable builders who specialise in just building minifigs. His involvement within the community is very broad, being an active staff member of the Builders Lounge group and a member of the Classic Castle website, amongst others. Andrew is also a member of his local LUG and has attended events and displayed his work many times in public.
Andrew has a friendly and positive attitude and works hard to promote the hobby. Andrew has already proven himself to be a fantastic LEGO Ambassador, he has my full support.
It really doesn't need to be this long, I just have a lot to say
1 or 2 paragraphs is fine
Hope this helps