Please follow the steps as given in http://www.rajasthanspider.com/forum/129-Cash-credits.aspx. Your issue will be resolved.
Regarding your second query, there is no relation between points and cash credits. It completely depends on quality of your post.
To earn the maximum cash and points request you to follow below steps:
> Article title should be meaningful and understandable.
> Use meaningful words in tags column.
> Check the already posted query - Eligibilty to get more points and cash.
Thanks and Regards,