Air... Lots of air...
Fresh Ground - Good rhythm, lightness and brightness of sound! But too much reverb and resonance spoils the experience a bit (To be fair, I have very big problems with mixing myself, huh)
Cool Air - DRUMS! Hurray! Synthesizers? HOORAY!!! I really like some of the thoughtfully cheerful beginning and the ABRUPT transition to the synthesizer! Cool!
Overall, I liked it. You've done something fun, airy, and positive. Yes, there are some problems with mixing, but I have problems with it myself... Good work!
P.S. Rawr