Warning: include(language/english.php) [function.include]: failed to open stream: No such file or directory in /home/underwt/public_html/sammie/install.php on line 47

Warning: include(language/english.php) [function.include]: failed to open stream: No such file or directory in /home/underwt/public_html/sammie/install.php on line 47

Warning: include() [function.include]: Failed opening 'language/english.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/underwt/public_html/sammie/install.php on line 47

You need to CHMOD the templates directory so it is writable (use 777 if you are not sure what to use).