1. Sense
http://abulafia.hcoop.net/~aku/hcoop_logo/hcoop_sense.png
2. Clear
http://abulafia.hcoop.net/~aku/hcoop_logo/hcoop_clear.png
3. Fade
http://abulafia.hcoop.net/~aku/hcoop_logo/hcoop_fade.png
From the Attic: http://abulafia.hcoop.net/~aku/hcoop_logo_attic.html