Frame/Tooltip help?
 

I've been toying with writing/modifying a few mods, mainly for my own use, and I am having a terrible time with frames and display orientation. Is there a site (other than wowwiki) that has a tutorial or something one could go by? I am fairly decent on the LUA scripting, but the xml is giving me fits.

Example, im attempting to make a multi layered from, similar to this rough diagram..
(Ignore the ...'s as i couldnt get the post to format properly without them.)

A Background frame, BGFrame, and 2 smaller frames
within it, Frame1, and Frame2. The smaller frames would contain different data. This is just an example, but its what I'm attempting to learn how to do properly.

|---------.--------|
|..|-------------|..|
|..|....Frame2....|..|
|..|-------------|..|
|------------------|
|------------------|
|......BGFrame........|
|---------.---------|
|---------.---------|
|..|------.-------|..|
|..|.... Frame3....|..|
|..|-------.------|..|
|---------.---------|


Any help would be appreciated.