This is the software publisher’s description.

Vallen JPegger 4.96 is a handy and fully featured image viewer. It is designed for large image libraries with thousands of files. This little power pack reads 40 different image file formats, supports lossless JPEG rotation and includes a unique MP3 Organizer including a simple player: MP3 files are categorized according their MP3 tag information into artist, genre and album in a comfortable tree structure. Great for larger music archives.

No installation required - executable files can directly be copied onto CD. Most important start options can be configured by command line parameters. See online help for more info.