PhotoGrid is a simple image viewer that shows a lot of images at a time. TreeView which is like Finder's list view lets you select the folders and files you want to view. GridView lists all the image files as thumbnails in a grid structure. You can resize the thumbnails at anytime so you can view the images with various scales. PhotoGrid works like an image database but you don't have to register image files in order to organize the database. Ordinary folders themselves are the database. Caching into full given memory and a swap file makes. PhoroGrid show images virtually with no delay. PhotoGrid works well if given 6 MB of memory. Slide show.