Paint the surrounding walls and porch structure a clean, bright white. This helps lighten a shady spot and makes the porch feel more like a room addition than an outdoor space.
Paint a wood floor or lay an outdoor area rug in the porch to add some definition to the space.
Use tension rods or attach curtain rods at the screen frames and hang white or a pale, pastel-colored sheer curtains. When you hang curtains in this space and tie them back, you add privacy and softness to the screen porch look.
Purchase an outdoor love seat in rattan or white wicker and place at an angle in one corner of the porch. This provides a comfy place for outdoor napping without eating up too much usable space.
Match the love seat with two comfortable rocking chairs and a small occasional table to complete the furnishings in the small screened porch.
Use an outdoor light fixture to brighten the space at night or distribute romantic hurricane lamps or battery-operated candles throughout the room for diffused lighting.
Accent corners in the room with tall potted plants and place smaller potted plants next to the love seat to tie the room together.
Accessorize the screened porch with items that tie in with the rest of your home's décor. Place some weather-resistant antiques, decorative statues or rustic art on the table or floor areas of the room to add interest.