There is 2 possible reasons why your designs are not displaying:
If your Design is for a Noticeboard competition, please follow this guide also.
All items discussed above can be configured via MyStudio, please see below:

Please note, if you do not have a PayPal account, adding your normal E-mail address to the PayPal E-mail field does not mean you are required to immediately create a PayPal account because one will be automatically created for you when we pay you.
If questions still remain un-answered, please do not hesitate to E-mail us, you should receive an answer within 24hrs.
Happy Designing.