Entry #8: I would love to see incorporating green into this design somewhere. Otherwise I really like the play on the "o's" as well as how prominent the word Yoga is in the logo.
Entries #2 & 3: Really like these a lot as well - they are a bit more subtle and I love the tone of grey but feel that the rust/orange and green get a little lost so maybe trying a bit deeper shades would make them pop more. The gears are kind of fun and different - very creative.
Hi! For Entry #20 and #8 - I'm still not getting the Green coming across as much as in some of the other entries. Maybe one or a couple of the "o's" can be Green?
#3 and #5 - can you add the slogan "Inspiring Transformation" in somewhere?