Quick fixes for an unfinished basement: paint walls with stain (not paint so concrete can breathe) and run industrial string lights that only require one outlet.
Concrete stencils...Make your patio look like brick or cobblestone! Whoa!!!
tips on how to paint concrete flooring
painting cinder blocks | ... : Painted Concrete Block Wall Interior , Painted Concrete Wall
How to paint concrete walls
Concrete into Stone: DIY: Tutorial and colors used to get this stone wall look - on a budget!!!
How-To: Faux finish concrete wall http://imaxdesignhub.com/index.php/faux-finish-concrete-wall/
Painted cement floor using a stencil to create a cement tile look.
Amazing faux concrete walls diy-able with paint and glaze! Love the look of concrete walls (ceilings, floors, you name it, just not all at once)!
block wall basement design | Cinder block walls painted in stripes