They're your photos. Make sure they know.
Watermark your photos when you post.

Easy Watermarking

iPostMark makes it simple to embed your custom watermark into photos when you publish to the Twitter community. The mobile interface gives you quick and easy control over watermark placement, intensity and opacity.

Easy Posting

iPostMark's interface is streamlined so that it's super-fast to pick a photo and post it to your followers. The application is tailored to publishing so that you don't have to wait for timelines to be downloaded. Just snap a photo and iPostMark it!