Steps - Clarify part and fitment

[II_Slow]

So I tried to install my steps for the first time yesterday, and apparently the steps that were with the rear fenders I bought are not the correct part for this application.

They appear to be too long, and the holes do not align with mounting brackets. I don't have the factory frame, so I know I will have to add something to the bed frame to bolt the brackets to, so i expected to have to do that, and I suppose I shorten the fenter to fit the wheel opening, but it still looks like the step and fender won't look quite right together. Can someone get me a close-up of how the rear fender should look when properly aligned and fitted to the lower fender, please.