Carol Ferris: Hal, you're late! This test today - it's important.
Hal Jordan: I'm going to make you look good up there. Don't worry. Now, let's get these pants off and fly some planes.
When Hal is showing his friend how the ring works and has to "recharge" it, his grip on the lantern changes between shots.
In the scene where Hal Jordan meets Sinestro for the first time and they start to fight, the shield that Sinestro conjures up is identical to Captain America's shield - it even makes the same noise when a bullet hits it.