Inorder to get free "Powered by ubuntu" stickers and window key overlays you just have to:

United States
Four 'Powered by Ubuntu' stickers and
Four 'Ubuntu Key' stickers

Send a self addressed stamped envelope to:
System76, Inc. (Free Stickers)
1582 S. Parker Rd. Ste. 310
Denver, Colorado 80231

International
Four 'Powered by Ubuntu' stickers

Send a self addressed stamped envelope to your local address:

Argentina

Ubuntu Sticker Offer
Av. Maipu 2259 PB C
ZIP: 1636
Buenos Aires
Argentina

Thanks to the Ubuntu Argentina Team!

Australia

Sticker Offer
P.O Box 1412
Lavington, NSW 2641

Thanks to the Ubuntu Australia Team!

Belgium

Powered by Ubuntu - stickers
p/a Lange Vesting 100
8200 Brugge
Belgium

Thanks to the Ubuntu Belgium Team!

Bolivia

Rolando Espinoza La Fuente
Calle 16 de Julio #424 / Zona Central
Cochabamba, Cochabamba
Bolivia

Thanks to the Bolivian Ubuntu LoCo Team!

Brazil

Comunidade UbuntuBR
A/C Etiquetas Ubuntu
Av. Rui Barbosa, 2095 cj63
Santana - Sao Jose dos Campos/SP
CEP: 12211-000

Thanks to the Ubuntu Brazil Team!

Canada

Ubuntu Sticker Offer
926 Tsse d'Isere
Saint-Lambert QC J4S 1Z2
CANADA

Thanks to the Ubuntu Canada Team!

Chile

Stickers Ubuntu Chile
Arlegui #573 E-11
Viña del Mar
CHILE

Thanks to the Ubuntu Chile Team!

Colombia

Javier A Miranda R Carrera 118Bis N°89A-26
Int. 4, Apto. 102
Bogota, DC -111011
COLOMBIA
Thanks to the Colombian Ubuntu Team!

France

http://www.ubuntu-fr.org/contact

Thanks to the French Ubuntu Team!

Hungary

Ubuntu Hungarian LoCo Team
ORY Mate
H-1163 Budapest
Gordonka u. 32.
Hungary

Thanks to the Hungarian Ubuntu Team!

India

Baishampayan Ghose
214/4, Sher-e-Punjab Society
Andheri (E), Mumbai --- 93
India

Thanks to the Ubuntu Indian LoCo Team!

Italy

Palma Salvatore
Via Magna Grecia, 14
87029 Scalea (CS)
Italy

Thanks to the Italian Ubuntu LoCo Team!

Mexico

Stickers Ubuntu
Avenida Adolfo Lopez Mateos Condominio 1 Casa 41
Fraccionamiento Rancho San Lucas
Metepec, Mexico
CP: 52172

Thanks to the Mexican Ubuntu LoCo Team!

Netherlands

Ubuntu Stickers
Hyacintstraat 13
4587 AV Kloosterzande
The Netherlands

Thanks to the Dutch Ubuntu Team!

New Zealand

Ian Beardslee c/o C/- Catalyst IT
PO Box 11053
Manners St
Wellington New Zealand

Thanks to the New Zealand Ubuntu Team!

Norway

Ubuntu Stickers Scandinavia
c/o FreeCode AS
Nydalsveien 30 B
0484 OSLO

Thanks to the Norwegian Ubuntu Team!

Peru

Gonzalo L. Campos Medina
Av. Peru K-134 / Urb. Garibaldi
ILO, ILO
PERU

Thanks to the Peruvian Ubuntu Team!

Switzerland

Pro-OpenSource
Stichwort: Ubuntu-Stickers
c/o Ruben Richiger
Dietlistrasse 2
9000 St. Gallen

Thanks to the Swiss Ubuntu Team!

Tunisia

Ubuntu Stickers
B.P. 57 Monastir République
5060 Monastir
Tunisie

Thanks to the Tunisian Ubuntu Team!

Turkey

Atila Sendil
TUPRAS Gn.Md.
Bilgi Sistemleri Md.
Korfez / Kocaeli

Thanks to the Turkish Ubuntu Team!

United Kingdom

The Linux Emporium
Bridge House
17a Maybrook Road
Sutton Coldfield
Birmingham
B76 1AL UK

Thanks to the United Kingdom Ubuntu Team!

Venezuela

Nathalie Colina
Calle Dabajuro
Casa # 4
Urbanizacion El Señorial
Puerta Maraven
Punto Fijo, Estado Falcón
Venezuela

Thanks to the Venezuelan Ubuntu Team!