Mine

bj@bj-lt:~/.mozilla/firefox/gy0gx0kp.default/Cache$ ls -l
total 12008
-rw------- 1 bj bj   20015 2007-04-01 09:38 00AD58C0d01
-rw------- 1 bj bj   17242 2007-04-01 09:38 06FAA69Ad01
-rw------- 1 bj bj 8192763 2007-04-01 09:54 08681D9Fd01
-rw------- 1 bj bj   83572 2007-04-01 09:41 114353BAd01
-rw------- 1 bj bj  102599 2007-04-01 09:38 126F3644d01
-rw------- 1 bj bj   57889 2007-04-01 09:38 1D464768d01
-rw------- 1 bj bj   22236 2007-04-01 09:38 2E4B3EA0d01
-rw------- 1 bj bj   16547 2007-04-01 09:38 3AD5D36Ad01
-rw------- 1 bj bj   45486 2007-04-01 09:38 41E411EFd01
-rw------- 1 bj bj   36344 2007-04-01 09:38 4AE5B988d01
-rw------- 1 bj bj   37914 2007-04-01 09:38 54F19329d01
-rw------- 1 bj bj   67587 2007-04-01 09:38 57A26924d01
-rw------- 1 bj bj   42591 2007-04-01 09:38 60C70039d01
-rw------- 1 bj bj   27966 2007-04-01 09:38 69824E41d01
-rw------- 1 bj bj   19297 2007-04-01 09:38 711ECBA9d01
-rw------- 1 bj bj  108455 2007-04-01 09:38 75D2D6DFd01
-rw------- 1 bj bj  145136 2007-04-01 09:38 996E5CE4d01
-rw------- 1 bj bj   69615 2007-04-01 09:38 9B14010Dd01
-rw------- 1 bj bj  128007 2007-04-01 09:38 9B4732BBd01
-rw------- 1 bj bj   34141 2007-04-01 09:38 A71D91E5d01
-rw------- 1 bj bj  101247 2007-04-01 09:38 A7F3C153d01
-rw------- 1 bj bj   28588 2007-04-01 09:52 A87202F2d01
-rw------- 1 bj bj   18814 2007-04-01 09:52 AB25CC12d01
-rw------- 1 bj bj   38171 2007-04-01 09:38 AF837C33d01
-rw------- 1 bj bj   22477 2007-04-01 09:38 B9703197d01
-rw------- 1 bj bj   36331 2007-04-01 09:32 BD98B361d01
-rw------- 1 bj bj   32764 2007-04-01 09:54 BFC5A17Fd01
-rw------- 1 bj bj   17707 2007-04-01 09:54 C7E36E9Fd01
-rw------- 1 bj bj  400896 2007-04-01 09:56 _CACHE_001_
-rw------- 1 bj bj  657408 2007-04-01 09:55 _CACHE_002_
-rw------- 1 bj bj  978944 2007-04-01 09:55 _CACHE_003_
-rw------- 1 bj bj    8468 2007-04-01 09:48 _CACHE_MAP_
-rw------- 1 bj bj   29376 2007-04-01 09:38 CD4FCD7Fd01
-rw------- 1 bj bj   24786 2007-04-01 09:38 D078B02Ad01
-rw------- 1 bj bj   16776 2007-04-01 09:54 D23FC8FBd01
-rw------- 1 bj bj   17225 2007-04-01 09:38 D3E8824Ad01
-rw------- 1 bj bj   46381 2007-04-01 09:38 DE463385d01
-rw------- 1 bj bj   22024 2007-04-01 09:38 DF30E4DCd01
-rw------- 1 bj bj   26473 2007-04-01 09:52 E3CD207Bd01
-rw------- 1 bj bj   48584 2007-04-01 09:38 E47B634Ad01
-rw------- 1 bj bj   18596 2007-04-01 09:51 E5F1A464d01
-rw------- 1 bj bj   26960 2007-04-01 09:40 EA7C5CE4d01
-rw------- 1 bj bj   88807 2007-04-01 09:40 EDAD5EE4d01
-rw------- 1 bj bj   97842 2007-04-01 09:38 EDB45EE4d01
-rw------- 1 bj bj  114597 2007-04-01 09:38 EEB2BD8Fd01
-rw------- 1 bj bj   21671 2007-04-01 09:51 FE8C1E7Bd01
bj@bj-lt:~/.mozilla/firefox/gy0gx0kp.default/Cache$ file 08681D9Fd01
08681D9Fd01: Macromedia Flash Video
bj@bj-lt:~/.mozilla/firefox/gy0gx0kp.default/Cache$ cp 08681D9Fd01 ~/somevideo.flv
bj@bj-lt:~/.mozilla/firefox/gy0gx0kp.default/Cache$ cd
bj@bj-lt:~$ mplayer somevideo.flv
MPlayer 2:0.99+1.0pre7try2+cvs20060117-0ubuntu8 (C) 2000-2006 MPlayer Team
CPU: Advanced Micro Devices  (Family: 15, Stepping: 2)

[...video plays...]

Exiting... (Quit)
bj@bj-lt:~$