You can get parts of the Whiterun set off various bodies near the Western Watchtower, and Salokhnir has always had armor and helm on him when I've killed him (14 times now.....)
[How bad is it that I read it as "chainmail bikinis".... Hey, it's EARLY here.... *sigh*]
This is a little dirty, but fun. Cast fury on one of the two guards outside the gates from cover. They tend to attack each other and one of them ends up dead. You didn't so it, and if they didn't "witness" you casting it, you don't get a bounty.