No POD found for imgif.h. Time to read the source?
imgif.h
To install Imager::File::GIF, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Imager::File::GIF
CPAN shell
perl -MCPAN -e shell install Imager::File::GIF
For more information on module installation, please visit the detailed CPAN module installation guide.