Yui Yokoyama - Haruka Shimazaki (are they sisters?)
Oya - Kasai
Haruka Nakagawa - Kasai (in sexiness and girliness)
Sashihara - Ota Aika
Kuramochi - Maeda Ami - Rie Kitahara
Minegishi - Miyazaki
Rumi Yonezawa - Nasumi Masubara - both are like candies
Rina CHikano - Rina Nakanishi (in face)
Natsuka Tomomi - Acchan in her eyework
AKB to Morning Musume:
Aki Takajo - goto
that girl in early AKBingos who gets made fun of (a bit chubby, tall, and called baba for her age) - Kei-chan
Kojima - kaori
Sato Sumire or Haruka Shimada - Niigaki
Nakanishi - Takahashi Ai
Tekeuchi - Tsuji
Maimai - a more successful Kamei
ono - yaguchi in tv appearances
acchan - abe
Sae - Yoshizawa
Try the second pic first