We have solved the issue with urls. We have integrated the new field "Label" in news sections. We strated to write instead of GUID the value of label field.
We still have question about integrating new tags,like "no_index"
And the other question is-how we can use different master pages for different pages? Right now we have the masterpage for all pages, but it is needed to integrate the other masterpage for our corporate blog http://greenwall.by/Default/Blog.aspx