Clipdinger provides a history of your recent clippings, lets you filter it and create your own favorites. It also offers a clipboard monitor that can be used as a replicant on the Desktop, always showing the current contents.
You access the history by pressing SHIFT + ALT + V, which opens the Clipdinger window where you can select an entry with the cursor keys and paste it by hitting RETURN.
After selecting a clip, you can also paste it to the an online service by hitting ALT + P. The returned URL for the clip is put into the clipboard for you to paste into your email or IRC channel etc.
ESCAPE minimizes the window without pasting.
Please see the ReadMe available from the Help menu for more details.