1. I am currently using dean lee code highlighting for wordpress. Code is as follows:

echo "hello world";
?>

To edit the code-highlight options go to: OPTIONS > Code Highlight

2. Download WP-DBManager. Extract it in the wp plugins directory and your good to go. Options for configuring can be found in “DATABASE” link in the Admin Site. Remember to change the Database options as follows:

for windows:

Path To mysqldump: mysqldump.exe
Path To mysql: mysql.exe
Path To Backup: E:\\wwwroot\wordpress\wp-content\backup-db

for linux:

Path To mysqldump: mysqldump
Path To mysql: mysql
Path To Backup: /usr/local/apache2/htdocs/wordpress/wp-content/backup-db