unzip the files to your ../wp-content/.. directory according to the structure in this package.
these folders need write access (CHMOD777):
../wp-content/plugins/ANIga/temp
../wp-content/gallery/
../wp-content/gallery/00-gfx/
../wp-content/gallery/00-single/
Do not forget to copy the theme template files to your current theme folder! If you are not using the default theme, adjust the files in the ../themes/default/ folder of this package to your current theme.
activate the plugin
complete installation by updating the options (Dashboard->ANIga->Options)
If you want to use the sidebar functions (Random Picture, etc) take a look at the sidebar-example.php for the correct use of the functions.