I would try 3M Command Adhesive Mounting Products as a way to secure the chiffon to the wall. They also have decorating clips which would allow you to string lights and poster strips for... well... posters! Their website suggests that they will work on Cinder Block without damaging the surface. ... View related article.
My first suggestion would be to see your veterinarian just to make sure there isn't a health reason for your pet being unable to control his bladder. (ie. A uniary tract infection) ... View related article.
You might consider Rit Color Remover fabric treatment. I can purchase it in the laundry section of my grocery store. Check out their website at www.ritdye.com! ... View related article.
My husband is in construction as well, so I know how frustrating trying to make a workable budget is. Many years ago I picked up the small paperback book called "Make Your Paycheck last" by Harold Moe. As one reviewer on Amazon.com states: "It is a simple, yet effective plan for reaching your goals and managing your money. If you want a book on investing and frugal shopping, this is not the book."