1. Looks like they blurred a stock image and used pentool around the bow.
2. Is pretty nice.
3. The lighting is awkward but overall I like it.
4. I like the colors and the effects.
5. Like the effects but the text killed it for me.
6. It's okay.
Overall I like 4 the most cause of the nice blending techniques, the text isn't so bad, and it's interesting.