fantasy frame mockup vibrant design showcase enchanting skies colorful display generative ai fantasy frame mockup vibrant design showcase enchanting skies colorful display generative ai rgb editable psd 4k mockup mountain background eggs design sky background cloud effects purple sky pinkish hue sun rays design template mockup template fantasy design vibrant colors design showcase mockup display creative mockup fantasy art digital mockup design presentation mockup scene artistic mockup fantasy theme vibrant mockup design mockup fantasy showcase colorful mockup mockup with eggs mountain scene sky scene cloud scene purple and pink sky sunlit mockup fantasy landscape vibrant art mockup art design with eggs mountain and sky colorful art fantasy mockup design vibrant display enchanting mockup