DIY: chalkboard effect in Photoshop
Photoshop Water Reflection Effect: add a realistic water reflection to any photo. It's a very easy effect to create and you can add it to any photo you like, although it tends to work best with images that don't already contain water in them. We'll be using a simple filter and a displacement map to create the water ripple effect, and a Hue/Saturation adjustment layer to give our water a little color.
Photoshop Tutorial: How to make reflections (water).
Photography Tips That 96 Photographers Wish They Would've Learned Sooner