This document outlines various digital image editing techniques performed by Amanda Romeo Digital Design, including cropping, adjusting brightness, contrast, curves, and grayscale; flipping, rotating, burning, dodging, and adjusting saturation and opacity of images; combining images; using magnetic lasso and spot healing brush tools; adding and formatting text; inverting, curving, posterizing, and applying filters to layers; adjusting hue, saturation, and threshold; and blending layers with techniques like channel mixer and transparency.