In the saloon on Nal Hutta, there's a poster of a Dug that says that Sebulba(Podracer from Episode I) will be signing autographs on Saturday at 10am. (Source: starwars.com)
Rako Hardeen's new helmet is based on an early design by Ralph McQuarrie for Boba Fett's helmet. Moralo Eval's armored chest-piece is the same design worn by General Veers, imperial snowtroopers and Dengar in The Empire Strikes Back.
When the three escaped convicts are in Pablo's Pawn Shop, Cad Bane states that he needs a new hat. As he says this, he picks up a fedora that strongly resembles the famous hat worn by Indiana Jones. Also, in the background on one of the shelves, a suit of armor can be seen that looks very much like that of Jango Fett's.
The first vehicle that Cad Bane and Moralo Eval use to leave Nal Hutta is based on the design of Bossk's Hound Tooth, created for the Star Wars: Shadows of the Empire multimedia project in 1996. The second starship, the 'Luxury 3000 space yacht' is based on the design of Lando Calrissian's Expanded Universe ship 'Lady Luck'.
The 'Jedi fortune cookie' message that opens the show reads "Keep your friends close, but keep your enemies closer."