I remember the part in the beginning of the fourth book when Amus Diggory does that with the Weasly's fire and says 'Please men' instead of Pollice men! :) nice job(again)
I was totally watching GoF the other night thinking... "How would someone do that with legos..." And there you have it. Have you thought of using the little flames you get with everything... put them in 1x1 neon orange cones so that it looks like fire?
A++++