The rear edge looks good to me, I see no need to adjust the hinges.
To explain the front striker/spring adjustment, crack loose the nut that secures the striker to the underside of the hood. Holding it in place, take a large flat blade screw driver and insert into the end of the shaft and turn it in a few rounds. This compresses the spring some and makes the hood draw down further in the center when latched. Tighten the nut and lower the hood until latched. Adjust as needed to open or tighten the gap. You may also need to adjust the stops at the front corners.
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