The headrests in Chon and Ben's Jeep disappear and reappear several times depending on the scene. They are missing when Dennis gets in to talk with them. Later in the desert ambush scene, they have been replaced.
When O is e-mailing her mother about Paris, we first see the headphone remote/volume control knob on her right, but in the next scene it is on her left.
When O spits in Lado's face the colour of her lips/lipstick change(s).
When Elana was talking to Magda on the Phone, Magda stated it was late while Elana was in the stable with the horses in Mexico. Magda went to school in California, both area's are in the pacific time zone so there should not have been a time difference.
After Chon stabs Dennis' hand, the scar appliance on Chon's right neck has torn away from his skin.
When Elena and O are laying on the bed talking, Elena looks directly into the camera.