Do you want to change loading screen of the game to the any previous addon's one? Then look at that mod, please
You must have Pets installed
What This Mod Does
With this mod, you can change your loading screen to screen of any other addon (as well as of some future addons). You don't need this addon installed. So, you can already have a loading screen of fifth stuff (SP5) -
Read more and download at Mod The Sims