Pingback doesn´t work with Scrapebox

hello,

I want to send "Trackbacks". On many sites I have seen it like "Pingback:my keyword"
But there is no excerpt - Have test it with scrapebox, everytime it fails..
Example page would be marshallauctions dot com/2011/?p=1869

How do they make it? With another tool? Is it possible to send "Trackbacks" to this kind of sites?
All this sites are running with wordpress.

They most likely were made with scrapebox and the post just isn't accepting trackbacks anymore.

As for not showing excerpts, not all blogs do.

ah, thank you scrapefox!