You can find it on torrent with a "SXSW 2011" search. About 4 GBs.
...or here's my filtered-down hitlist and youtubes:
Admiral fallow http://www.youtube.com/watch?v=t24iUhAhrNg
Alcoholic faith mission http://www.youtube.com/watch?v=RNOuoJB0Nuk *
Alvarez kings http://www.youtube.com/watch?v=S02WUfeezwI
AM http://www.youtube.com/watch?v=9tydE2xGA-c
Analog rebellion http://www.youtube.com/watch?v=pIghbKcBYmM
Anna Calvi http://www.youtube.com/watch?v=4KVVCHeHKXM *
Appleseed cast http://www.youtube.com/watch?v=nQRBWN8RjyE
Ariel pink's haunted graffiti http://www.youtube.com/watch?v=VcS0oJwlz_Q
Army navy http://www.youtube.com/watch?v=W8Hr_DNodJ8
Atlas sound http://www.youtube.com/watch?v=C79Q7MV4Fgo
Bad brains http://www.youtube.com/watch?v=kjITD9LnwRY
Bear suit http://www.youtube.com/watch?v=QwlBY5RDOzw
Black angels http://www.youtube.com/watch?v=RT7e843nWfg *
Black heart procession http://www.youtube.com/watch?v=yz8b7GaYcFg
Boat people http://www.youtube.com/watch?v=0cHyvWXLvGE
Bombay bicycle club http://www.youtube.com/watch?v=cC_FseOub7I
The boxer rebellion http://www.youtube.com/watch?v=rMMRkclZ450
Braids http://www.youtube.com/watch?v=1RnfroBOgO0
Calm blue sea http://www.youtube.com/watch?v=dhhfk_1Pwhw *
Capsula http://www.youtube.com/watch?v=SKK7eTFy3_0
Cass mccombs http://www.youtube.com/watch?v=-5l8lqNakPI
Chappo http://www.youtube.com/watch?v=YM8sQTNb6QY
Chikita violenta http://www.youtube.com/watch?v=jb9fqizqlEw
The dears http://www.youtube.com/watch?v=u0zRxxBKZ1A
Dignan http://www.youtube.com/watch?v=2agvleNiLT0
Dum dum girls http://www.youtube.com/watch?v=OrgKtFVKTmI
Edwyn collins http://www.youtube.com/watch?v=cKWZLfMpSO0
Esben & the witch http://www.youtube.com/watch?v=VP0Nv_ivTaw
Experimental aircraft http://www.youtube.com/watch?v=IwzsrgiYPV0
Fast romantics http://www.youtube.com/watch?v=NOArwQYUH5c *
Fergus & geronimo http://www.youtube.com/watch?v=HxSNMK7muuE
Fever fever http://www.youtube.com/watch?v=_qFVNw0pV6o
Flipron http://www.youtube.com/watch?v=uMn6-p18ad8
The fleshtones http://www.youtube.com/watch?v=cRlLVGYVR1w
Friendly fires http://www.youtube.com/watch?v=GyA8zfouG4Y
Ghost animal http://www.youtube.com/watch?v=D7ZLsLToCy0
Great big pile of leaves http://www.youtube.com/watch?v=RZ73VAJilBo
Happy hollows http://www.youtube.com/watch?v=Akx9D9SDdf0
An horse http://www.youtube.com/watch?v=DNfBLsC5SiA
Hot panda http://www.youtube.com/watch?v=80miGk1cQqg
Hounds below http://www.youtube.com/watch?v=49HvuvgSqK4
I was totally destroying it http://www.youtube.com/watch?v=vhehEPiIyI4
Intimate stranger http://www.youtube.com/watch?v=ovywgfdyNA0
Alejandro escovedo http://www.youtube.com/watch?v=CQcYI3EeuHA
The jezebels http://www.youtube.com/watch?v=u0xtEmv-67w
The joy formidable http://www.youtube.com/watch?v=a2BUEzdjfpY *
Karkwa http://www.youtube.com/watch?v=CXDwu89C06s
Kid canaveral http://www.youtube.com/watch?v=yaBb9oGiG-M *
The kills http://www.youtube.com/watch?v=w3fZP7QC4PE
King Creosote http://www.youtube.com/watch?v=J9zvHUem7SY
The latebirds http://www.youtube.com/watch?v=UfKO0q-MoKE
Le butcherettes http://www.youtube.com/watch?v=7IcI_636aP4
Les handclaps http://www.youtube.com/watch?v=A6cD-eYzQVs
Letting up despite great faults http://www.youtube.com/watch?v=ypDdg07GCI8 *
Li'l cap'n travis http://www.youtube.com/watch?v=NTHP5cgSJcA
Light FM http://www.youtube.com/watch?v=LT87XfV8rBQ
Lynval Golding http://www.youtube.com/watch?v=TGDQ85Dg-ss *
Maren Parusel http://www.youtube.com/watch?v=LRN7tYS3Pfk
Monogold http://www.youtube.com/watch?v=K_AiTZGg19I *
Morning teleportation http://www.youtube.com/watch?v=TKTbbf4z1PQ
My gold mask http://www.youtube.com/watch?v=nxzUQAaCZdU
Nico Stai http://www.youtube.com/watch?v=wpRRJ9pfJxU
Noah & the Whale http://www.youtube.com/watch?v=t7Q2b2uTlHY
No joy http://www.youtube.com/watch?v=qiSIkiqhq2c
O emperor http://www.youtube.com/watch?v=FNVXtBROZFk *
Oh sunshine http://www.youtube.com/watch?v=nsw08c93eJ8
OMD http://www.youtube.com/watch?v=tSuIrgjUlcc
Pete & the Pirates http://www.youtube.com/watch?v=_5OqCU_45M8
A place to bury strangers http://www.youtube.com/watch?v=e9xMFKtFjFg
PS I love you http://www.youtube.com/watch?v=N1YQxDNI3-8
Rah rah http://www.youtube.com/watch?v=YJEV3Uieess
The raveonettes http://www.youtube.com/watch?v=mRUqpgg-8Ps
Richard Barone http://www.youtube.com/watch?v=hHiS8Bqu5fI
Royal bangs http://www.youtube.com/watch?v=WIs8Bwps1s0
Royal treatment plant http://www.youtube.com/watch?v=JPSztqKTq-4
Secret colours http://www.youtube.com/watch?v=SjuOaGqcnw0
Sharon van etten http://www.youtube.com/watch?v=vsjM25eSkEY
Small black http://www.youtube.com/watch?v=Zq_KgUT8gLc
Small sins http://www.youtube.com/watch?v=PYWJiDQKeOI
Solid gold http://www.youtube.com/watch?v=YQq3ZQER7_w
Still corners http://www.youtube.com/watch?v=N66lz_Jf_uI
The strokes http://www.youtube.com/watch?v=_l09H-3zzgA
Superhumanoids http://www.youtube.com/watch?v=ZzC8uxmxfw4
Tamaryn http://www.youtube.com/watch?v=anOYvY2eFlI
Tapes n Tapes http://www.youtube.com/watch?v=RBv82B6bF4k
Those dancing days http://www.youtube.com/watch?v=ILuNZYmAs5o
Trailer trash tracys http://www.youtube.com/watch?v=mCmLGR-kNPM *
The twilight sad http://www.youtube.com/watch?v=g2zgVcP5WYU *
Twin shadow http://www.youtube.com/watch?v=hyO7P6LE7nA
Ume http://www.youtube.com/watch?v=1mfB0X0-E-c *
The vaccines http://www.youtube.com/watch?v=dU9hrd35Dsg
The vandelles http://www.youtube.com/watch?v=XYZh8VdNjiU *
Venice is sinking http://www.youtube.com/watch?v=o5LZORIPcmw *
Veronica falls http://www.youtube.com/watch?v=4WY-Iin7P_w
Violens http://www.youtube.com/watch?v=wKdNhPVnK3Q
Vulture whale http://www.youtube.com/watch?v=_oyPK1xifPA
Yellowbirds http://www.youtube.com/watch?v=QjRrry_kBxU
Yuck http://www.youtube.com/watch?v=yGU60-6A6Xg *