Fixing my 6-pack hood

FINALLY got my duster out of the garage and went for a quick ride up the rd with no hood. Got home and put the hood on cuz it started to rain. I went to pick up my daughter from the bus stop and on the way home it hit it a little and WHOOSH,off the hood goes!!!!
I have 2 questions.
1).When the hood came off,it hit the top of the car and left a black scuff on the top of the car. How can I get it out??

2). When the hood landed in the rd,it broke the center brace on the bottom. Should I use bondo or fiberglass to fix it?? I know you can sand down the bondo smooth for painting but can you do the same with fiberglass??