1:48 - Anakin stands at a window in the Jedi temple in the same pose that he stands in on Naboo in Attack of the Clones [59:17] and that Vader stands in on the bridge of his Star Destroyer in The Empire Strikes Back [20:27]:
20:04 - This quick shot of Aurra Sing's boot adjusting a control on her speeder bike is similar to that of a scout trooper doing the same thing in Return of the Jedi [1:00:14], just horizontally flipped and at a slightly different angle: