Why limit Notification Center to app notifications and Apple's widgets? You can add more widgets and adjust its features to work better for you.
AlwaysClear
FREE
by Ryan Burke
always show "Clear" button for notifications
BlurriedNCBackground
by Philippe
replace linen image with blurred screenshot
Custom NC Background
by cjori
replace linen image with your favorite image
Dashboard X
$1.99
by Ori Kadosh
put NC widgets on your homescreen
Favorite Contacts
$1.49
by Tim Trinkies
display contacts for speedy dialing (widget)
Music Controls Pro
$5.99
by Paul Griffin (Phoenix-Dev)
see song info and switch songs (widgets)
NCAllOnly
by Jonathan Bailey
remove Today and Missed tabs
NCSettings
by JamieD360
quickly change useful settings (widget)
OmniStat
by Mathieu Bolard (mattlawer)
display device information (widget)
SBSettings
by BigBoss
ShowIP
by Pascal
show current IP address on Today tab
WeeFlashlight
by Albert Schulz
turn camera flash on and off (widget)