You really need to work on giving more spacial clues to the audience. Basically I have little idea where the characters and barrels are in relation to each other, except when they're on the screen at the same time. An establishing or wide shot early on showing all of the characters and major props are would fix this issue.
You also jumped the 180-rule/line of action which caused some confusion. Early on the barrels are shown on the left side of the scenes and the characters are looking at them (so I assume they are on the right side). But in the last shot the characters appear to be on the left side of the road.
Other than that the effects, voices, animation, and art are all top notch! Just need to work on spacial continuity.