Some Poser artists/creators incorporate the directory structure when they zip the file. Read any *.txt or *htm file first. Most of us put file location instructions in the "read Me." As a general rule, *.CR2 files go in ...RuntimeLibrariesCharacter and you can either pick which subdirectory in which to put the CR2 and it's associated RSR or you can use either My Computer or WIndows Explorer to create the subdirectory. HR2 files go in ...LibrariesHairetc. PP2 files go in ...LibrariesPropsetc. PZ2 files go in ...Poseetc. *.OBJ files go in a subdirectory in ...Geometries and the author's read me will tell you 99% of the time in which subdirectory it goes. BMP, TIF, JPG, and BUM files all go in ...RuntimeTextures. I created subdirectories in ...Textures just to keep all the textures somewhat organized. If you really get stumped, most authors put their e-mail address in the read me. Ask them specifically where to put a confusing file or two.