Script Integration and Tutorial

I have recently purchase a script which is about Friends invite on facebook, I want to:

I have create a fb app (which must have in order the script to work) now want to know how can i instal the script on the following ways:

1) I want to know how can install it in the following ways:
a) Want when user click on my fb page tab the script to open (meaning to open from my tab)
b) Will be good to know how to connect an image which is located in one of my tabs and shows a person which points to a button which says call your friends, be able to connect the script to that button on the foto or the entire photo, so when user clicks script will open
c) how can place a button or image to my site which will do the same as above.

All enquiries must consider that except the intergration service also I want a tutorial for each way (there are 4 ways so are 4 tutorials), must be detailed in explanation and will choose whoever wants to do it online with me, through some services like "teamviewer" otherwise must send a doc. or video tutorial.

When I decide which person i will choose to go through will send all relevant script info.

Please note: According to the script developer the integration of the script is about one hour work, and will provide the developer that will do my project with full instructions as i got them from the original developer.