The custom content list includes two main characters only and some of the objects. Not all url's may work, as sites could've been shut down after this list had been created. You may have some luck finding objects from disabled sites at Sims2graveyard

The Girl [teen]
Eyes by Echo66 at MTS2
http://charlotte.modthesims2.com/showthread.php?t=78271

Hair - www.Pronupsims.net
Hairstyle1: http://rosemat.free.fr/Pronupsims2/indexen...
Hairstyle2: http://rosemat.free.fr/Pronupsims2/indexen...

Skintone - by Louis

Makeup: (hollywood lashes) www.Helaene.com


Adult Skater Girl
Hair:
Hairstyle1(ponytail): http://www.modthesims2.com/showthread.php?t=76028
Hairstyle2: by guppysims [site closed]

Makeup:
lipstick: http://www.simplyelau.it [closed]
Lashes: www.Helaene.com

Clothes:
Top: by AnarchyByDay at MTS2 http://charlotte.modthesims2.com/showthread.php?t=59212
Dress: by thesimssi


Skater Boy [teen]


Eyes by Echo66 at mts2
http://charlotte.modthesims2.com/showthread.php?t=78271

Hair: http://www.starsims.net

Skintone: by Louis

Makeup: http://www.vanillatango.net [site closed]

Piercings: 77simlane [site closed]



Adult Skater Boy
Makeup: Natural lashes http://www.helaene.com

Hair: by SimWitch

Piercings: 77SimLane [site closed]


Decor and misc objects:
Stage Gear by Lethe_s at MTS2
http://www.modthesims2.com/showthread.php?t=65833

Fender Guitar by atavera
http://sumomo.modthesims2.com/showthread.php?t=213739

Keyboard by JWoods at MTS2
http://www5.modthesims2.com/showthread.php?t=54639

Colored lights by jgwhiteus at mts2
http://www.modthesims2.com/showthread.php?t=91821