Index: plugin/pom.xml
===================================================================
--- plugin/pom.xml	(revision 31948)
+++ plugin/pom.xml	(working copy)
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.jvnet.hudson.plugins</groupId>
 		<artifactId>plugin</artifactId>
-		<version>1.356</version>
+		<version>1.362</version>
 	</parent>
 
 	<licenses>
Index: plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java
===================================================================
--- plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java	(revision 31798)
+++ plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java	(working copy)
@@ -203,7 +203,7 @@
 		
 		// schedule release build
 		synchronized (project) {
-			if (project.scheduleBuild(0, new ReleaseCause())) {
+			if (project.scheduleBuild(0, new ReleaseCause(), new ReleaseBadgeAction())) {
 				m2Wrapper.enableRelease();
 				m2Wrapper.setVersions(versions);
 				m2Wrapper.setAppendHudsonBuildNumber(appendHudsonBuildNumber);
Index: plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseBuildWrapper.java
===================================================================
--- plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseBuildWrapper.java	(revision 31798)
+++ plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseBuildWrapper.java	(working copy)
@@ -157,6 +157,8 @@
 			}
 			mavenOpts = mmSet.getMavenOpts();
 			
+			ReleaseBadgeAction releaseBuildIcon = build.getAction(ReleaseBadgeAction.class);
+			releaseBuildIcon.setTooltip(getIconTooltip(mmSet));
 		}
 		
 		return new Environment() {
@@ -280,6 +282,27 @@
 	public void setHudsonUserName(String hudsonUserName) {
 		this.hudsonUserName = hudsonUserName;
 	}
+	
+    /**
+     * Prepares the tooltip for the icon in the UI.
+     * 
+     * @param mmSet the modules to compute the string from
+     * @return the formated tooltip
+     */
+    private String getIconTooltip(MavenModuleSet mmSet) {
+        StringBuilder sb = new StringBuilder("ReleaseBuild - ");
+        for (MavenModule module : mmSet.getModules()) {
+            sb.append(module.getModuleName());
+// 			TODO get the correct release version for each module, the modules contain the last known build version only! 
+//        	String moduleVersion = module.getVersion();
+//            if (!StringUtils.isEmpty(moduleVersion)) {
+//                sb.append(": ");
+//                sb.append(moduleVersion);
+//            }
+            sb.append(" | ");
+        }
+        return sb.toString();
+    }
 
 	private String generateVersionString(int buildNumber) {
 		// -Dproject.rel.org.mycompany.group.project=version ....
Index: plugin/src/main/java/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction.java
===================================================================
--- plugin/src/main/java/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction.java	(revision 0)
+++ plugin/src/main/java/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction.java	(revision 0)
@@ -0,0 +1,37 @@
+package org.jvnet.hudson.plugins.m2release;
+
+import hudson.model.BuildBadgeAction;
+
+/**
+ * Used to mark a release build with an icon.
+ *
+ * @author domi
+ */
+public class ReleaseBadgeAction implements BuildBadgeAction {
+
+        private String tooltip = "N/A";
+
+        public ReleaseBadgeAction() {
+        }
+
+        public String getIconFileName() {
+            return null;
+        }
+
+        public String getDisplayName() {
+            return null;
+        }
+
+        public String getUrlName() {
+            return null;
+        }
+
+		public String getTooltip() {
+			return tooltip;
+		}
+
+		public void setTooltip(String tooltip) {
+			this.tooltip = tooltip;
+		}
+
+}
Index: plugin/src/main/resources/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction/badge.jelly
===================================================================
--- plugin/src/main/resources/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction/badge.jelly	(revision 0)
+++ plugin/src/main/resources/org/jvnet/hudson/plugins/m2release/ReleaseBadgeAction/badge.jelly	(revision 0)
@@ -0,0 +1,5 @@
+<j:jelly xmlns:j="jelly:core">
+        <img width="16" height="16"
+             title="${it.tooltip}"
+             src="${imagesURL}/16x16/package.gif"/>
+</j:jelly>  
\ No newline at end of file