I began using Lua as a script language to my text editor, SCiTE. But now, I'm addicted on Lua!
Sometimes I had to generate a CSV report from a database, and in the last days, I'm using Lua to do this.
You can find me at http://devlog.waltercruz.com (on portuguese)
I've write a little article showing how a PHP programmer can start on Lua. Available at: http://artigos.waltercruz.com/dophpparalua/ (again, portuguese)
My posts to Lua-l: