Manipulate tension to trigger new gains. Remember, hypertrophy is stimulated mostly by muscular tension. Muscles get the most tension where the resistance curve is at its peak in the concentric (lifting) point of a movement.
For dips, anchor a band with a heavy dumbbell at your feet. Placing the band around your neck looks awkward, but it will naturally bend you forward and cause the pecs to get into a deep stretch. This will also create more tension at the top of the rep.
While waiting at the DMV for my moped license renewal form, I decided to kill some time with one of my favorite childhood pastimes. No, not chewing tobacco and throwing rocks at whores. I'm talking about that crazy little word game known as Mad Libs.