The tempo of the first mazurka was really too distorted. A little bit of rubato in the polish folk dance style is alright, but I could not for the life of me follow your tempo. It's a dance, but the beat and movement completely eluded me.
The second one missed the mark completely, I feel. The indication "mesto" describes the character of the whole mazurka. Even the B major section has a wistful and melancholy air about it. It sounded like a very happy gay mazurka the way you played it. Rather flippant and superficial. This is one of the most forlorn and somber of the mazurkas.
For me, the mazurkas are the most difficult of Chopin's music to play. That folk rhythm and dance are very hard to portray. It takes a polish spirit, I guess, but with classical discretion. If not, it really becomes almost a parody of the dance. Plus, you have those moments of deep melancholy like in the second mazurka, where the dance takes on another function.
Why don't you post something else of Chopin?