How can I exclude my own pingbacks from the trackback list?
In rare case is it possible, that your webserver uses a proxy and the address you need is the one of the proxy. Open manage/comments and have a look at the list. The ip addresses are shown above the comments. (Screenshot 2).
How to change the title of the widget?
Like any widget get-recent-comments has a widget-configuration form. It is located at “Presentation / Widgets”. Click on the weird symbol (marked with the red circle in screenshot 1…
… and the form opens:
Since the release of WordPress 2.5 some users reported, that their blog shows something like “%BEG_OF_TITLE%” instead of “Recent Comments” (or whatever they configured as title). The author of the plugin was not able to reproduce this bug until now (and hence not able to fix it), but it looks like the problem disappears, if you disable the cache option of the plugin: