You can delete this if this is a duplicate post... But here's a list of sources I've put together for your use.
BigBoss : http://apt.bigboss.us.com/repofiles/cydia/
iPhoneStuff: http://iphonestuff.ru/
ModMyiFone: http://modmyifone.com/repo/
Ste: http://repo.smxy.org/cydia/apt/
Telesphoreo Tangelo: http://apt.saurik.com/
ZodTTD: http://www.zodttd.com/repo/cydia/
Andy Dam: http://66.84.47.91/apt/
Intelliborn: http://intelliborn.com/cydia/
iSpazio: http://ispaziorepo.com/cydia/apt/
Urban Fanatics: http://urbanfanatics.com/cydia/
Free Coder: http://iphone.freecoder.org/apt/
iFonetec: http://app.ifonetec.com/cydia/
Hack&Dev.org: http://iphone.hackndev.org/apt/
iModZone Mirror: http://jmiz9000.extroverthost.com/
WeHo.ru http://weho.ru/iphone/
SaladSoft (Nick Lee): http://nicklee.com/cydiasource/
RichCreations iPhone Software: http://www.richcreations.com/iphone/apt-repo/
Steffwiz: http://steffwiz.webs.com/iPhone/Repo
iClarified: http://cydia.iclarified.com
iAccess: http://iaccess.com/apt
WeiPhone: http://app.weiphone.com/cydia/
Hackulos: http://cydia.hackulo.us/
SoSiPhone: http://cy.sosiphone.com/
iPhoneHE: http://iphonehe.com/iphone/
Hackers.nl: http://apt.hackers.nl/
123 Locker: http://apt.123locker.com/
xSellize: http://xsellize.com/cydia/
Guardians of Chaos: http://apt.guardiansofchaos.com/
iPhone.org.hk: http://www.iphone.org.hk/apt/
Red Wolf Berry: http://redwolfberry.com/rupertgee/cydia/
Named Fork: http://apt.namedfork.net/iphone/
Hack That iFone: http://hackthatifone.com/htif/apt/
RanBee: http://ranbee.com/repo/
Safari Flash Movie Plugin: http://d.imobilecinema.com
iRom SNES: http://iromrepo.com/Cydia/snes/
iRom Genesis: http://iromrepo.com/Cydia/genesis/
iRom GBA: http://iromreop.com/Cydia/gba/
iPhone 2.2 Soft Unlock: http://apt9.yellowsn0w.com
i-Apps: http://cydia.i-apps.pl/
Macbury: http://macbury.jogger.pl/files/
MyApple: http://cydia.myapple.pl/
HackmyiPhone: http://hackmyiphone.info/cydia/
Paper Clips and Scrambled Eggs: http://apt.paperclipsandscrambledeggs.com/
xWaves: http://cydia.xwaves.net
MacCiti: http://macciti.com/cydia
Sleepers.net: http://repo.sleepers.net/cydia
PwnCenter: http://apt.pwncenter.com
HackNDev: http://iphone.hackndev.org/apt/
Installer (4.0b4-4):
RiP Dev: http://i.ripdev.com
Andy Dam: http://repo.gafoogle.com/
ipodtouchdude: http://ipodtouchdude.net84.net/
BigBoss: http://apptapp.thebigboss.org/repofiles/installer4/
iModZone: http://imodzone.net/repo/
Ste: http://repo.smxy.org/installer4/
iSpazio: http://repo.neolinus.org/ispazio/
a27 Dev Team: http://a27dev.com/installer/repo/
Clubifone: http://www.clubifone.com/repo/
Sendowski: http://sendowski.de/iphone/
Hackmyiphone: http://hackmyiphone.net/installer/ (DOWN)
Wildcat: http://i2.handheld.com.vn/
M2: http://m2.iphoneall.org/
gPda - http://gpda.ru/r
Installerapps - http://iphone.installerapps.com
Hackint0sh: http://hackint0sh.org/repo/ (Hackint0sh official)
iClarified: http://installer.iClarified.com (Repo Sources)
Modmyifone: http://i.modmyifone.com/ (Community sources)
Handheld: http://i2.handheld.com.vn/ (Community sources)
Norwegian Source: http://installer.ifon.no
iphone Handheld: http://iphone.handheld.com.vn/installer/ (Tweaks & Apps)
Navco: http://www.navco786.com/repo (UK Edge Settings)
Zodttd: http://zodttd.com/repo
tysiphonehelp: http://myrepospace.com/repo/tysiphonehelp
MCI II: http://repo2.indo.net.id/
STR10COUPE: http://i.srt10coupe.de/ (graphic stuff)
Tavvy's Source: http://ipodtouchdude.extroverthost.com/tavvy [cracked apps/themes/fonts/more] (DOWN)
I update it frequently here: http://ihax.org/cydia-2-and-installer-4-source-list-2-0-firmware-update-22-t47.html
(if you want me to remove my site's link, that's OK)
BigBoss : http://apt.bigboss.us.com/repofiles/cydia/
iPhoneStuff: http://iphonestuff.ru/
ModMyiFone: http://modmyifone.com/repo/
Ste: http://repo.smxy.org/cydia/apt/
Telesphoreo Tangelo: http://apt.saurik.com/
ZodTTD: http://www.zodttd.com/repo/cydia/
Andy Dam: http://66.84.47.91/apt/
Intelliborn: http://intelliborn.com/cydia/
iSpazio: http://ispaziorepo.com/cydia/apt/
Urban Fanatics: http://urbanfanatics.com/cydia/
Free Coder: http://iphone.freecoder.org/apt/
iFonetec: http://app.ifonetec.com/cydia/
Hack&Dev.org: http://iphone.hackndev.org/apt/
iModZone Mirror: http://jmiz9000.extroverthost.com/
WeHo.ru http://weho.ru/iphone/
SaladSoft (Nick Lee): http://nicklee.com/cydiasource/
RichCreations iPhone Software: http://www.richcreations.com/iphone/apt-repo/
Steffwiz: http://steffwiz.webs.com/iPhone/Repo
iClarified: http://cydia.iclarified.com
iAccess: http://iaccess.com/apt
WeiPhone: http://app.weiphone.com/cydia/
Hackulos: http://cydia.hackulo.us/
SoSiPhone: http://cy.sosiphone.com/
iPhoneHE: http://iphonehe.com/iphone/
Hackers.nl: http://apt.hackers.nl/
123 Locker: http://apt.123locker.com/
xSellize: http://xsellize.com/cydia/
Guardians of Chaos: http://apt.guardiansofchaos.com/
iPhone.org.hk: http://www.iphone.org.hk/apt/
Red Wolf Berry: http://redwolfberry.com/rupertgee/cydia/
Named Fork: http://apt.namedfork.net/iphone/
Hack That iFone: http://hackthatifone.com/htif/apt/
RanBee: http://ranbee.com/repo/
Safari Flash Movie Plugin: http://d.imobilecinema.com
iRom SNES: http://iromrepo.com/Cydia/snes/
iRom Genesis: http://iromrepo.com/Cydia/genesis/
iRom GBA: http://iromreop.com/Cydia/gba/
iPhone 2.2 Soft Unlock: http://apt9.yellowsn0w.com
i-Apps: http://cydia.i-apps.pl/
Macbury: http://macbury.jogger.pl/files/
MyApple: http://cydia.myapple.pl/
HackmyiPhone: http://hackmyiphone.info/cydia/
Paper Clips and Scrambled Eggs: http://apt.paperclipsandscrambledeggs.com/
xWaves: http://cydia.xwaves.net
MacCiti: http://macciti.com/cydia
Sleepers.net: http://repo.sleepers.net/cydia
PwnCenter: http://apt.pwncenter.com
HackNDev: http://iphone.hackndev.org/apt/
Installer (4.0b4-4):
RiP Dev: http://i.ripdev.com
Andy Dam: http://repo.gafoogle.com/
ipodtouchdude: http://ipodtouchdude.net84.net/
BigBoss: http://apptapp.thebigboss.org/repofiles/installer4/
iModZone: http://imodzone.net/repo/
Ste: http://repo.smxy.org/installer4/
iSpazio: http://repo.neolinus.org/ispazio/
a27 Dev Team: http://a27dev.com/installer/repo/
Clubifone: http://www.clubifone.com/repo/
Sendowski: http://sendowski.de/iphone/
Hackmyiphone: http://hackmyiphone.net/installer/ (DOWN)
Wildcat: http://i2.handheld.com.vn/
M2: http://m2.iphoneall.org/
gPda - http://gpda.ru/r
Installerapps - http://iphone.installerapps.com
Hackint0sh: http://hackint0sh.org/repo/ (Hackint0sh official)
iClarified: http://installer.iClarified.com (Repo Sources)
Modmyifone: http://i.modmyifone.com/ (Community sources)
Handheld: http://i2.handheld.com.vn/ (Community sources)
Norwegian Source: http://installer.ifon.no
iphone Handheld: http://iphone.handheld.com.vn/installer/ (Tweaks & Apps)
Navco: http://www.navco786.com/repo (UK Edge Settings)
Zodttd: http://zodttd.com/repo
tysiphonehelp: http://myrepospace.com/repo/tysiphonehelp
MCI II: http://repo2.indo.net.id/
STR10COUPE: http://i.srt10coupe.de/ (graphic stuff)
Tavvy's Source: http://ipodtouchdude.extroverthost.com/tavvy [cracked apps/themes/fonts/more] (DOWN)
I update it frequently here: http://ihax.org/cydia-2-and-installer-4-source-list-2-0-firmware-update-22-t47.html
(if you want me to remove my site's link, that's OK)