| Richard Ayres | www.richardayres.com/ |
| Richard Barrett | www.ump.co.uk/barrett.htm |
| Konrad Boehmer | www.kboehmer.nl/ |
| Gottfried Michael Koenig | www.koenigproject.nl/ |
| Sergio Luque | www.sergioluque.com/ |
| Richard Rijnvos | www.xs4all.nl/~ives/RRframe.html |
| Wouter Snoei | www.woutersnoei.nl/ |