Cita: verifica estos valores en php.ini o en el htaccess
php_value upload_max_filesize [algo]
php_value post_max_size [algo]
php_value max_execution_time [algo]
php_value max_input_time [algo]
Que tal Perr(), asi estan los valores en el php.ini...
upload_max_filesize = 20M
post_max_size = 8M
max_execution_time = 0
max_input_time = 60