Trust me, it's not difficult at all! All you need to do is download the hacked firmware from the sticky thread, burn it and then follow the instructions on your TV screen.
Oh, and for your information: the wiki is just a collaborative website that gathers information about CC. The cool thing about it is that once you know your way around you can register and start sharing your experience and information.
uLaunchELF is one of the many PS2 homebrew applications... well, not quite your average PS2 app, we can say it's the most useful out there, but it's not what you'll need to flash your chip.
PS2 v3 PAL + Crystal Chip 1.0 (hacked firmware R34)
BootManager 2.1.6, uLaunchELF v4.25, SMS v2.8 (rev.5), HDLPatch v0.8c