Graham mans_bx
this is not about the actual sharing code just how to add the meta tags to select which image to use
Here is a demo of the principle (not the actual tags just a demo of how you could add them)
here is a post
note it has a line of text above it saying 'This is the content of the meta file'
http://bpage.xtgem.com/index/__xtblog_entry/11302727-mote-park-lake?__xtblog_block_id=1#xt_blog
and here is the file that would contain the meta tags
It uses the blog post id number as the name of the file
http://bpage.xtgem.com/data/11302727
here is another
http://bpage.xtgem.com/index/__xtblog_entry/11302761-maidstone?__xtblog_block_id=1#xt_blog
and it's data file
http://bpage.xtgem.com/data/11302761