I've been playing with the High Tide set again. The lighthouse, the ray of light and the bird stamps. The rest was achieved with blending brushes and a sponge dauber. I don't really like the stamp in the set that forms the base of the lighthouse, so I created my own rocky base with torn paper and a sponge dauber loaded with black ink. I also added some random rocks in the foreground for extra interest.
To avoid the lighthouse looking the size a pepper pot, position it at the top of your card. This will make it appear more distant and in proportion.