A lot of times we like to overdo it when it comes to home staging but if you think "furniture store" type decor (simple , not bulky) and are even able to get a furniture store to stage the home you're good to go.

Frame it in, dry it in and do a decorative item that will make it look like it is supposed to be there.

Maybe add some colorful artwork or decor.  

Lastly, don't forget decor for walls and tables so that the home doesn't look too sterile.If you are looking for a full list, I would Google it.

Minor repairs, routine maintenance items and painting, decorating or other items of a cosmetic nature, no matter the cost to remedy same, do not constitute defects, are not a part of this contingency and shall not be a basis for the Buyer to cancel this Contract.

I handle the designing and contract work with my dad (he's amazing at his craft) and my mom loves decorating.

Pdf the siding is in good shape, I would keep it and add an accent, like shutters, or decorative trim above the windows/doors, as long as it is consistent with the home's style.  

And should I tear out the tiles and drywall all the ceilings, cover/replace them with the decorative plastic ones from Home Depot, or paint them like I'm thinking?

It is taking months to get rid of the tenant, and rent hasn't been paid Nov, Dec or January.

laminate flooring is usually made up of four layers: top layer which is named abrasion resistance layer; second layer which is named decorative layer; third layer which is consists of HDF, MDF or flakeboard; bottom layer which is named balance back layer.