If you are looking for a RSS feed for your site which will supply jokes, you can simply use the feeder available.
Random Jokes Feeder link: http://freesms.parijat.biz/jokefeed.php
You can use a RSS reader to feed this information to your site. A simple use is being done on Funtelya website
Miss calls Dengai ok! Miss U Added On: 25/Jul/2009 by admin | Send
>> Doctor’s prescription 4 u. A cute little smile 4 breakfast. More laughs 4 lunch. Lots of happiness for dinner. Doctor’s fee? An sms when u r free. Added On: 25/Jul/2009 by admin | Send
>> Aap ek Mobile ki tarah ho,
khwab mein atey ho SMS ki tarah,
Dil mein bas jatay ho Ring Tone ki tarah;
Mohabbat aapki hai Network ki tarah,
hum ko bhool na jaana Balance ki tarah. Added On: 25/Jul/2009 by admin | Send