Obraz FLUX AI wygenerowany przez Flux.1 Lora

Create a professional YouTube thumbnail for a video about a free advanced WhatsApp marketing course. Show a confident young man holding a smartphone displaying the WhatsApp interface. Add bold, eye-catching English text that says "WhatsApp Marketing Mastery". Use WhatsApp green and white colors. Include visual elements like money icons, chat bubbles, laptop, and digital marketing symbols. The style should be clean, modern, and highly clickable.