Fly Fishing Instruction Guide

I need to create fly fishing instructional content:

Skill level target: [BEGINNER/INTERMEDIATE/ADVANCED]
Specific topic: [TOPIC - e.g., casting, reading water, fly selection, nymphing]
Target species: [TROUT/BASS/SALTWATER/ETC.]
Water type: [RIVER/STREAM/LAKE/SALTWATER]

Key concepts to cover:
- [CONCEPT 1]
- [CONCEPT 2]
- [CONCEPT 3]

Common mistakes to address: [MISTAKES]
Equipment considerations: [GEAR SPECIFICS]
Safety elements: [SAFETY POINTS]

Content format: [WRITTEN GUIDE/VIDEO SCRIPT/LESSON PLAN]
Length: [WORD COUNT/DURATION]

Please create instructional content including:
1. Introduction and learning objectives
2. Equipment checklist and setup
3. Step-by-step technique breakdown
4. Visual description cues for key movements
5. Common mistakes and corrections
6. Practice drills and exercises
7. On-water application scenarios
8. Troubleshooting guide
9. Progress benchmarks
10. Next steps for continued learning