My Very First Rolls

Can anyone help me to figure it out?
All the roll became like this.
What happened?
Cause of Aperture? ISO? Focus? Film? Scanning?
Please help!

Fotografer:
nkhoa93
Terunggah:
2013-01-03
Kamera:
Lomography Belair X 6-12 Jetsetter (Tersedia di toko kami)
Film:
Lomography B&W 100 (120)
Kota:
Ho Chi Minh City
Negara/kawasan:
Vietnam
Album:
First Fail