About twenty two minutes in after Angel puts on the pink helmet and gets on Wesley's bike his hands change position from on Wesley's arms to on Wesley's hips
After Gunn, Wesley, Cordelia and Angel dust some vamps, they lean up against a black car for a rest, in which Angel's reflection can clearly be seen.
At time stamp 39:45 you can see the pastie that Darla has on her nipples for the naked\sex scene with Angel.
At 17:50, 2 seconds before Wesley says Angel's naked we can see him wearing white shorts.
At the end of the episode, when Darla is dream-seducing Angel and is supposed to be naked, you get glimpses of her underwear and of the band-aids covering her nipples.
At time stamp 8:25 as Angel is driving into the parking garage you can see the camera lens Pop out for a couple seconds in the bottom left corner.