Instalar modulos camara web

Depende del procesador que tengas un busqueda con aptitude search nos da:

v   gspca-modules                   -
p   gspca-modules-2.6-486           - Driver for webcams and digicams based on s
p   gspca-modules-2.6-686           - Driver for webcams and digicams based on s
p   gspca-modules-2.6-686-bigmem    - Driver for webcams and digicams based on s
p   gspca-modules-2.6-amd64         - Driver for webcams and digicams based on s
p   gspca-modules-2.6-openvz-686    - Driver for webcams and digicams based on s
p   gspca-modules-2.6-vserver-686   - Driver for webcams and digicams based on s
p   gspca-modules-2.6-vserver-686-b - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-486      - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-686      - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-686-bigm - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-amd64    - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-openvz-6 - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-vserver- - Driver for webcams and digicams based on s
p   gspca-modules-2.6.26-2-vserver- - Driver for webcams and digicams based on s

En mi caso:

aptitude install gspca-modules-2.6-686