Photographic software specialist onOne has launched a new image-layering app, Perfect Layers 1.0. The software supports creating and editing layers in both Photoshop Lightroom and Apple's Aperture. Users can combine images of most file types, like JPG, TIF, PSD and most Camera RAW files into one layered file, merging images with built-in blend modes, opacity and masking controls and color fills. Resulting photos can be easily resized and positioned relative to each other in the master image, and all the adjustments are non-destructive. The Perfect Layers files are sa