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That passenger fender is rough, it looks like someone jacked it up on the lip at the bottom (as in the last pic its crushed). You could attempt to straighten that lip with some pliers or vice grips then attempt to push it back in towards the car, a block of wood on the now straightened bottom lip and a few whacks with a hammer? I had to do something similar on my passenger fender too. Oddly enough what helped line it up after was re-inserting the plastic body pins that connect the plastic inner fender to the fender, these can be found at hawks or ebay but zip ties could work in a pinch.
You may need a new fender at some point especially if you want to paint the car down the road (I found a used GM fender for when I eventually paint mine).
Do a few searches on here about jacking up car on rocker or fenders, there was good info on repair ideas.