Has anyone here created a site or application that is ADA (Section 508) compliant? What features did your site/application support?

One example is creating forms in Flash. The standards say that "When electronic forms are used, the form shall allow people using Assistive Technology to access the information, field elements, and functionality required for completion and submission of the form, including all directions and cues."

Does Flash allow this?

I guess you can build in your own tabbing and triggering voiceovers and such. Just wanted to get a sense of what people have done to tackle this issue.