Reply to My 1st Top 40 DJ mix

This is my 1st DJ mix with mostly Top 40 music. Please let me know what you believe and any advice is appreciated. Thank you in advance.

http://soundcloud.com/dj-tazz-24/club-jamz-2011


Tracklist:
Shake a Lil Somethin 2 Live Crew
Porn Star Dancing My Darkest Days
Got 2 Luv U Sean Paul
Boom Snoop Dogg
Blow Ke$ha
Up n' Down Britney Spears
Don't Wanna Go Home Jason Derulo
Raise Your Glass Pink
In the Dark Dev
Top of the World The Cataracs
#1 Nite (One Night) Cobra Starship
She Makes Me Wanna JLS
Boomerang DJ Felli Fel
Good Feeling Flo Rida
Smash the Club Kardinal Offishall
Club Rocker Inna
Suave (Kiss Me) Nayer
Drop it Low Kat DeLuna
I Wanna Go Britney Spears
Turn Around, Pt 2 Flo Rida
C'mon (Catch 'Em By Surprise) Tiesto & Diplo
This is What Rock n' Roll Looks Like Porcelain Black