http://www.stevespanglerscience.com/lab/experiments/flame-test
depends on what you're burnin'. You may or may not find this interesting.
Might as well throw some pictures up, eh?
https://www.google.com/search?q=strontium+flame&tbm=isch&tbo=u&source=univ&sa=X&ei=ZxhVVYj5AoayogSX5YHwBA&ved=0CC0Q7Ak&biw=960&bih=477