Need help Finishing disaster, putting parts back, after oilpump, rear seal replacemen

I need to get started on this project ,, I'm carless.
the point where i'm at is the after putting the timing cover back on., that seal was crooked attached to the cam shaft. I removed it. now i need to put it back and replace everything is Mechanic took off. I don't know if i have all the bolts, all the parts, what goes on first, last. Just alittle out of my realm of interest, can anyone help get me started ...................... on this disasterous home garage project..?