My statues, wall hangings and murals are suitable for inside your home and under a pergola. Some are suitable for outside in your garden too
Quadro Harry Potter
New Editorial Illustrations Incorporating Cut Paper Textures and Shadows by Eiko Ojala:
John Dilnot 3d paper sculpture swallows flight More
Maps and flying birds. What's not to like...
Stippling could be a good technique to use as it allows for strong tonal work whilst still keeping simplicity.
Pen & Ink Depictions of Trees Sprouting into Animals by Alfred Basha
More Canvas Painting Ideas (12) Cover canvas with pages then paint.
The Old Astronomer by Charlie-Bowater on DeviantArt