FireStar Toys has been updating their supply of custom minifigures lately, including two new 'winged avengers' which feature a modified set of Warhammer wings! Although these aren't classified as JasBrick's, I'm certain he had a hand in helping craft these figs.
There are two 'avengers', a male and female, which come with their own custom weapons to boot. You can find them both at FireStar Toys.
FireStar also has a 10% voucher code in effect. Just type in 'KV882256' in the discount code box at checkout.