Managed to modify the script to download the required files from an alsa-project.org mirror.

Everything executed properly, still no sound.

senjion@ZEDD:~$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.24.
Compiled on Jul 8 2011 for kernel 2.6.38-8-generic-pae (SMP).

Code:
senjion@ZEDD:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC888 Analog [ALC888 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC888 Digital [ALC888 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
senjion@ZEDD:~$ speaker-test -Dplughw:1,0 -c2

speaker-test 1.0.24.2

Playback device is plughw:1,0
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition 'defaults.namehint.extended'
ALSA lib conf.c:4184:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4663:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM plughw:1,0
Playback open error: -2,No such file or directory