scratches

I finally uploaded some images of the scratches/blemishes
that I'd like to repair on my vehicles.
Any advice would be great:
http://files.automotiveforums.com/gallery/watermark.php?file=/503/455507100_2108.JPG
I think one of those paint pens would do the job here.
http://files.automotiveforums.com/gallery/watermark.php?file=/503/455507100_2103_copy.JPG
This one's nasty. Any suggestions?
http://files.automotiveforums.com/gallery/watermark.php?file=/503/455507100_2109_copy.JPG
I assume these are from rocks, will a paint pen...or two work here?