ASP.NET 2.0: Custom Provider

I need to write some custom providers to make use of our own database structure and at the same time make use of new security features added in ASP.NET 2.0.

First I need to write a custom MembershipProvider. Then maybe RoleProvider.

Some articles about this.

Provider Design Pattern, Part 2 - MSDN
Provider Model Design Pattern and Specification, Part 1 - MSDN
Building Custom Providers for ASP.NET 2.0 Membership - MSDN
Re: Is membership.createuser really useful? - ASP.NET Forums
Re: When to create Custom MemberShipProvider ... ? - ASP.NET Forums
15 Seconds : Writing a Custom Membership Provider for the Login Control in ASP.NET 2.0
Sample Custom Profile Provider - ASP.NET Forums
How to create a Profile provider
Runtime error when using custom Membership Provider - ASP.NET Forums

Will update till I finish something.