I found these one the site "Daizenshuu EX." Apparently, they're tribute illustrations to Dragonball, but done by other manga artists and therefore in diferent styles. I thought they were pretty cool. Credit goes to the Dazenshuu EX and original artists.
Eiichirô Oda, One Piece.
Masashi Kishimoto, Naruto.
Shin'ya Suzuki, Mr. Fullswing.
Yoshio Sawai, Bobobôbo Bôbobo.
Yûsuke Murata, Eye Shield 21.
Tite (Taito) Kubo, Bleach.
Kentarô Yabuki, Black Cat.
Yasuhiro Kanô, Pretty Face.
Mikio Itô, Normandy Himitsu Club & Granada.
Nakaba Suzuki, Rising Impact & Ultra Red.
Ken'ichi Sakura, Dragon Drive.
Kenjirô Takeshita, Happy World!
Norihiro Yagi, Angel Densetsu & Claymore.
Arina Tanemura, Kamikaze Kaitô Jeanne & Full Moon o Sagashite.
Ryô Azuki, Love Wan!
Kôshi Rik(u)dô, Excel Saga.
Kôta Hirano, Hellsing.