What happened to my digg and delicious links

hello
i have for one month publish my articles and relevant to digg , delicious etc..... , but nothing from as backling from those many bookmark sites i used
or may will it come later
i have not spammed i have used smoothly my options

thanks

 

They may not have been indexed yet. Try pinging them.

 

yes thank you
how to ping them should i use sick pinger and what should ping the digg or delicious link or my articles links