How to construct a mixtape - need clearness

Hey guys. I've been havning my traktor kontrol S4 for about five months now. I have this concern about how you should construct your mixtapes. Every mixtape I hear, made by a professional, is usally a very essential mixtape, very basic. Is that what people appreciate most? Don't people like when you spice it up and do some wild things in the mixtape? Every mixtape I've heard on www.beatmyday.com has this essential mix - feeling. I've figured that it's more about the music than the transitions.

What is your thoughts of this matter? Are you supposed to spice up your mixtape live, when you're at a club and just make these very basic transitions at home?

Please check my mixtape out and tell me if it's essential, "spicy ( by spicy I mean wild), or some of both.

http://soundcloud.com/jackhellberg/final
http://www.youtube.com/watch?v=w5PU1...el_video_title

Best regards, Jack H.