You can get and set the url of an image easily (for Java: http://wave-robot-java-client.googlecode.com/svn/trunk/doc/com/google/wave/api/Image.html )
Or you could replace an image with a new one (see http://wave-robot-java-client.googlecode.com/svn/trunk/doc/com/google/wave/api/BlipContentRefs.html) - Lincoln -- You received this message because you are subscribed to the Google Groups "Google Wave API" group. To post to this group, send email to google-wave-...@googlegroups.com. To unsubscribe from this group, send email to google-wave-api+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-wave-api?hl=en.