This is for basic drift fishing.
I run half a shrimp if they are big and whole if small. I usually use single octopus hooks, but doubles for the times I am running whole, big shrimp. These pictures happen to be with nymph style fly hooks so that the hook point is farther back. Either way works fine. Here you go:
First, make sure you have your knot tied way back at the bend of the hook:
place the hook through and out the carapace:
Wrap the loop around the tail and slide your yarn or netting down to hold it in place:
for big shrimp, use half:
Hope this helps!