Originally tied as a low-riding caddis dry fly, this is the El Vato Nymph: a quick-sinking bug that comes together with a few creatively used materials.

Hot-headed attractor pattern.  This is a great little fly that looks something like a Bird's Nest... and nothing really like a Bird's Nest.

An attractor pattern that most closely resembles a PMD or other mayfly. 

A simple little Rhyacophila Caddis nymph. This is tied on a competition-style hook and can easily be embellished with a little extra flare.

Anglers love this Stimulator pattern because of its effectiveness and versatility.  It's a great searching pattern when you're unsure of what trout are targeting, and it floats well enough to hold up a nymph tied...

Perdigon flies were made popular by Spanish competition anglers because they sink quickly and catch a lot of fish.  Learn to tie the Perdigonish fly here.

Based on a bass lure called a Reaper, this pattern is intended to be fished in warm water.  It sinks quickly and rides upside-down (as it is tied on a jig hook) so it won't...

This is a cool little caddis nymph that can be swung, dead drifted, or high sticked.  The furled body extends away from the hook, giving it a unique profile and a little extra movement.