Oh yeah, I found the right 'Y' value through trial and error. Any decent developer would probably already know. I'm going with .3 for most of my messages.
Like I said, don't worry about the wide screen. Nothing to be done about it anyway, unless like you said I want to go to the trouble of letting them change it. If I do, I'll be sure to share the code changes with you so you can update the script if you like.