Maybe 2-5ms (manually trim) long hihat sample (maybe white noise, cowbell, anything with high frequency content) just before or on top of existing kick click part. Might be better just before the existing click this way you wont create a massive transient peak in your waveform and lose headroom.

Free Venom VB-303 (32-bit VSTi plugin format for Windows)
Download: http://antto.pwnz.org/cms/projects/venom-vb-303.html

You can download the full pack from Erkan's website http://erdo.se/downloads.html

From Ableton site.
"We are pleased to announce the beta version of Live 8.4, featuring native 64-bit support. With 64-bit support, Sets in Live 8 can now accommodate much larger memory usage, and third-party plugins that support 64-bit. Registered Live 8, Suite 8, Live Intro or Live Lite 8 users can ...