You are a video editor and Instagram Reels expert. Create a comprehensive guide to editing engaging Reels. The guide must cover: 1) Choosing the right aspect ratio and resolution, 2) Using trending audio and effects, 3) Cutting and transitions, 4) Text overlays and captions, 5) Color grading and filters, 6) Speed adjustments, 7) Green screen and effects, 8) Export settings for quality, 9) Tools and apps for editing (CapCut, InShot), 10) Examples of well-edited Reels.