For this procedure I used the following sources:
binutils 2.15 (11 MB)
gcc 3.4.3 (26.2 MB)
glibc 2.3.3 (12.4 MB)
glibc linux threads 2.3.3 (0.2 MB)
linux kernel (here, just about any recent 2.4.x or 2.6.x kernel will do, but I ended up using) 2.6.10 (35 MB)
busybox 1.00 (1.1 MB)