at ebay or LEGO.com
The best sites to purchase custom Lego sets, is from either Firestar or eBay.
Buy a custom.
at ebay or lego.com
you cant buy them they are custom minifigures
Lego does not sell military Lego minifigures, however, a custom Lego minifigure site below sells them.
at a custom minifigureseller
Lego Jedi minifigures often come with capes, but not always. Some are in disguise, or wearing different non-jedi clothing.
you can download capes
I don't know but you can find it at Minifigscustoms.com under designs
Unless you make it yourself, Lego Sherman tank does not exist. eBay is a great place to buy custom Lego models though.
Try www.reasonablyclever.com. it has a place where you can make your own person and then buy them