Now when I click on Dwolla, I just get a page of text about verified accounts (my Dwolla account is verified)
Mt. Gox now has the requirement that you verify your identity with them before you can further add funds from Dwolla. This involves sending to Mt. Gox a color scan of your photo ID.
Here's the link that contains the instructions and form (where you upload your scan):
Once your Mt. Gox account shows "verified", then you can add funds from Dwolla. (Others who are transferring for their first time might still be in Dwolla's 30-day probationary period, but it sounds like you won't have to worry about that.)