If you refer other users to mymicrostockupload.com, you get 1000 free credits on your account. Simply copy the following code into your website:
<a href="http://www.mymicrostockupload.com/">Microstock Upload Software</a>
After you finished please send a mail to us and we will check the link. If all things are fine we will book the 1000 credits to your account.