Mmm Fresco...
Using a fresco filter wisely might prevent your photo from being thrown into the Recycle Bin. It works by darkening the photo and applying a sand-like texture over the image. The images speak for themselves.

Pros
Fresco in general makes a landscape stand out.

Original photo (resized smaller)

Fresco filter applied (resized smaller after filtering).

• Cutout
  
• Photo Filters
• Sharon Courtney's Photoshop