I remember back in the day when RTM of SharePoint was just a twinkle in the SharePoint teams eye, I blogged one of the first walk throughs of how to get FBA working for SharePoint 2007. Thankfully over time many people have done a much better job of detailing the steps, and the best one to date is without doubt Dan Attis. Many people have been struggling with My Sites and FBA and pondering if it was even possible. Well Dan the Man has a great walk through of how to get it all working!
Part One is the basics.
Part Two explains what you have to do to get MySite working.
Thanks to Stacy who pointed Dans posts my way