Close up portrait of a gentle giant sloth, big smile, white teeth, soft fur, pastel rainbow color scheme, wispy whiskers, medium size, playful behavior, lush green environment, sparkly fairy dust, whimsical watercolor style, calming blue and yellow color palette, serene mood, warm natural lighting, unique perspective composition, subtle background elements of tropical flowers, interactive elements of a tiny butterfly, emotional response of joy and wonder.  <lora:big_smile_sdxl_v1:1>