>>16321841.) Too narrow, doesn't fit with the rest of the spikes.
2.) Angle is too sharp, doesn't fit with the rest of the spikes.
3.) Too fat, doesn't fit with the rest of the spikes.
4.) Missing a spike from your source image.
5.) Angle is too sharp, and the bottom section is too thick.
I'm also not a fan of the drop shadow effects you've applied to the corners, but that may just be me.
