Hello there, I would recommend the following plug-ins. I use them for every WP install that I make.
- All In One SEO Pack
- BackupBuddy
- Broken Link Checker
- Google XML Sitemaps
- Share Buttons by AddToAny
- Theme-Check
- WP Clean Up
- WP Super Cache (if you're having slow load times)
Of course, there are tons of other excellent plug-ins. Just my .02.
WP Plugins the cause of Hacking
so avoid them as much as possible