I like this striped curtain striped gray curtains. Buy plain white curtains and Paint them. Use painters tape to tape off the size of stripes you want, lay the curtain on plastic, and paint with a roller!
ring clipped curtains for bottom half, wreath above by way of white tension rod. Cute alternative to blinds for kitchen sink window?
White gauzy drapes allow the light in. And are easily laundered.
Windows: "Quick Tricks for Good-Looking Windows" [infographic]