Chameleon skin
  User Manual

Metadata

You can choose the type and position of metadata to display. Using these fields requires JAlbum to be enabled to extract these fields — you can control it with Settings / Advanced / Metadata. You can group enable/disable them by the boxes on the top.

Exif

Camera-generated exposition parameters (so called EXIF) data.

Iptc

Iptc data fields, posterior commenting often used by press archives.

XP data

Windows XP can also attach various fields to files. You can add this information by right-clicking them in windows explorer and choosing the Properties / Summary tab.