Text to Image Fundamentals By the end of this lesson, students should be able to: Prompt structure fundamentals. Effective Firefly prompts follow a general structure: Subject (the primary visual element – who or what is the focus); Context/Environment (where the subject is, what surrounds it); Visual Style (the aesthetic character – photography style, illustration style, fine art style); Technical Quality (clarity, detail level, resolution character); and Mood/Atmosphere (emotional tone, lighting character). Not every prompt requires all components – but the more relevant components included, the more consistent and relevant results become. Describing subjects effectively. Subject description specificity directly affects generation quality. Vague: "a person" -> generation interprets every attribute freely. Specific: "a mid-30s professional in a tailored navy jacket, confident expression, three-quarter portrait framing" -> generation has clear direction for the subject's key attributes. Describe the subject's most defining visual characteristics – appearance, posture, expression, key elements – rather than leaving interpretation to the model. Environment and context. The environment frames the subject and provides contextual information that affects lighting, color palette, and mood. Specific environments: "modern open-plan office with large windows and soft afternoon light" vs. "outdoors" – the specific environment produces more consistent, contextually appropriate images. For abstract or minimal context requirements, specifying the background character (solid color, gradient, bokeh, minimal white) also guides generation effectively. Combining components for consistent results. A well-structured prompt combining subject, environment, style, and quality: "A confident mid-30s businesswoman in a navy blazer, reviewing documents at a modern glass-and-steel office conference table, late afternoon window light creating warm directional shadows, editorial photography style, shallow depth of field background, high detail, professional magazine quality." Each component adds specificity that guides the generation consistently. Enroll to continue this lesson. The preview above shows the lesson objectives and opening lesson content. Enroll to view the full lesson, complete the practice work, and take the lesson quiz.
Lesson 1: Prompt Structure and Subject Description
Lesson Objectives
Lesson Content
