1. You can generate simple movie type animations with Flash. Here's a text animation generated using the free Flashtyper from http://www.flashkit.com (click your browser "Reload Page" button to see the effect again).
2. A news "ticker tape" service: several are available at http://kresch.com.  Here's one on Science and Technology:
4. A custom form: here's one example of the customisable forms from http://www.response-o-matic.comThis form is for customer feedback - try it out, comment on this site!5. There are many spellcheckers on the web. You can try one out here: http://www.spellcheck.net
The spellcheckers listed are US English dictionaries. I haven't found suitable links to UK English or non-English dictionaries yet. If you find any, please let know.