Render / refine: select it and use the chat bar (Image category) to restyle or refine, or open Node actions for Remove Background, Upscale, New Angle, New Perspective, Change Aspect Ratio, or Color Palette. See Image AI tools.
Organize:Group selected nodes from the selection toolbar, align / grid-arrange them, or ask the Framo agent to "arrange these in a grid" (it proposes a canvas action you apply with one click). See The Agent (Skills Chat).