Graphics software maker Extensis has announced its special-effects plug-in collection for Adobe Photoshop - PhotoTools 3.0.6 - is fully Photoshop 6.0 compliant. PhotoTools is an extended collection of effects, and includes button-making, texture-creation and tools for creating drop shadows. New to version 3.0 are upgrades to its real-world tools,such as multiple light sources in PhotoCastShadow and textured surfaces in its button-creation module.