Solar Shades for half moon shaped windows will help you in setting the mood Post -
Arch Window Shades Half Circle Window Shades Blackout Pleated Blinds Easy Install Black Arch Pleated Blinds Fit Prefect for Half-Moon Arch Windows 36"-72" (Black) : Amazon.ca: Home
Half Arched Window Blinds | Blind Magic
Arch Window Shades Half Circle Window Shades Pleated Blinds Easy Install White Arch Pleated Blinds Filtering Light Fit Prefect for Half Moon Arch Windows 36"-72" (Gray) : Amazon.ca: Home
10 Stunning Arched Window Blinds for Your Home
Specialty and Arched Window Treatments - The Home Depot
Redi Shade 72-in White Light Filtering Cordless Pleated Arch Shade in the Window Shades department at Lowes.com
Arched Window Treatments: ADJUST-A-VIEW Moveable Arches by Omega, Moveable Arch Window Treatment for Half and Quarter Circle Windows. Accommodates all leading brands of pleated cellular shades.