Jaiku-mbz is a widget plugin that lets you display your latest Jaikus in the sidebar.
This screenshot displays how the plugin might look when activated in the sidebar. The look-and-feel is completely styled by the wordpress theme and will therefor "melt" in to you current theme.
This is the settings portion of this plugin. Lets you set your widget title, username / channelname, display count (how many items to display in the widget) and at last the cache time.