Associated file types
Icon set - specifies which set of icons to use for file associations
Icons and corresponding file types are displayed in the list below. Select file types you wish to associate with Spider Player (i.e. make Spider Player a default player for those file types) and hit the “Apply” button.
Restore file associations at Spider Player startup - if enabled, Spider Player will always check if it is the default player for the selected file types on startup
Install icon set… - hit this button to browse for an icon set (*.SIP file) you wish to install; additional icon set can be downloaded here