Use WordPress as Image Host for Twitter
All Twitter users upload photos and for that, they use image hosting services like TwitPic, MobyPicture etc.
If you have a self-hosted WordPress blog and use Twitter a lot, you can turn your blog into an image host for your tweets and in return, get traffic on your blog.
Twitter2Press plugin lets you upload photos for Twitter and post them from your account with the associated tweet just like any other Twitter image host.
When your followers open the photo link, they will be redirected to your blog where they could see the photo and comment on them thus, getting your blog some traffic from Twitter.
The best feature of this plugin is that it supports the popular Twitter iPhone app, Tweetie, and is completely free of cost.
You can download this free WordPress plugin from here: Download Twitter2Press