I finally divided up my 5.5 gallon tank. I couldn't find those book report slide things..So I used the advise of someone else here and got some poster hangers. Worked like a charm! It took a bit of tweaking to get it to fit in right.. I made sure to make it a little bigger so I had to really work it in there. I don't believe they can knock that over! I was a dummy and forgot to lower the water before doing this...water was sloshing and splashing around everywhere.
It looks a bit bare at the moment. I plan on buying more plants and maybe some accent rocks. I had some but when I was washing them they left a residue on top of the water so I decided to not use those.
Milo and Oscars home:
I got motivated last night to get off my butt and divide this tank. I went to Petco earlier and they had this gray and white delta fin betta. He has been there for a whole month.So I brought him home. He is Oscar.