MyPixelVault is the easiest and most powerful way of organising your images. Add keywords (as many as you like) to each image and then search using the powerful in built search image.
Find images that have the same theme, the same location or contain the say people. Complete freedom to catalogue your images as you like. Fully customizable 'schemes' can be created so that entering keywords for images that contain the same subject matter over & over again can be simplified & made much easier.