Great thread, great pics and great story. You just created memories for her that will last forever.
Here is my "Littlest Bones" and her first real motorcycle ride. Looking forward to when she is big enough to go on rides with me on my bike.
Re the bitterness issue, my two cents is this:
Bury it. Don't share the bitterness with her. It will serve no purpose other than to make her resent YOU. I know this because I have two wonderful parents (four if you include who they each married later). One of them never discussed the bitterness with me and the other one did. Guess which one I have more respect for?