I would recommend picking one of the other legendary elves as your commander, since you're not really doing much with the life from Dwynen and lords are easy to come by.
Ezuri, Renegade Leader is my favorite, but
Marwyn, the Nurturer or
Eladamri, Lord of Leaves would be good, too.
For pump effects, Ezuri has
overrun printed on him, but
Beastmaster Ascension is solid gold in a swarm deck.
Triumph of the Hordes is a good game ender, too.
I would recommend running some more ramp, especially dorks.
Growing Rites of Itlimoc makes a great discount Cradle, and things like
Fyndhorn Elves (another
Llanowar Elves functional reprint) and
Elvish Archdruid,
Priest of Titania, and
Wirewood Channeler are fantastic at producing mana.
Llanowar Tribe is also one of my favorite recent cards.
All of this doesn't take budget into account, but most of the cards I listed are reasonably cheap if memory serves.
If you're interested in more recommendations, I have three versions of an elf deck saved, and I've been running one version or another since Scars of Mirrodin.