Sharings theme screen shots

doc/EN/usage.org

@@ -188,11 +188,11 @@ If you have the GNU Social microblogging system installed then it's also possibl
 
 Click on "/share/" or "/my catalog/" and this will switch to a screen which allows you to enter details for things to be shared or wanted.
 
-[[file:images/sharings1.jpg]]
+[[file:images/sharings3.jpg]]
 
 The "/catalog/" button then allows you to search for shared things within the federated network.
 
-[[file:images/sharings2.jpg]]
+[[file:images/sharings4.jpg]]
 
 * Social Network
 ** Domains