This clearly isn't a fancy skin. Why would anyone waste their time to make a fancy skin when it's so easy to fake the picture.
Step 1) Screen capture a screen in Avalaunch. Save it.
Step 2) Screen capture a screen from XBox 360 with that particular blade popped up. Save it.
Step 3) Us the Magic Wand tool in Photoshop on the XBox 360 picture with proper tolerance and use masking to remove any extra selection you don't want. Then go to Edit->Cut.
Step 4) Paste selection on the Avalaunch screen capture. Use Photoshop to darken the lower layer. Flatten. save as a JPEG, send to XBox-Scene.
Step 5)

?
Step 6) PROFIT!
So all I have to do is make a photoshopped image, give it to X-S and ask to remain annonymous and I can make money? Wow, I'm getting right on that task, I'm obviously in the wrong business.