Video files created in Vegas 5 - png images extracted by IrfanView
see also codec test 1

From Uncompressed Source

32bituncompressed PALdv
32bituncompressedgrad.png PALdvgrad.png
100%picvidMJPEG 100%indeo1megsecond
100picvidMJPEGgrad.png 100indeo1megsecondgrad.png
100%divx5.1-1megasecond 100%cinepakunconstrained
100divx5.1-1megasecondgrad.png 100cinepakunconstrainedgrad.png
100%cinepak1megasecond 50%picvidMJPEG
100cinepak1megasecondgrad.png 50picvidMJPEGgrad.png



Recompressed from DV

100%picvidMJPEG 100%indeo1megsecond
100picvidMJPEG_fromDVgrad.png 100indeo1megsecond_fromDVgrad.png
100%divx5.1-1megasecond 100%cinepakunconstrained
100divx5.1-1megasecond_fromDVgrad.png 100cinepakunconstrained_fromDVgrad.png
100%cinepak1megasecond 50%picvidMJPEG
100cinepak1megasecond_fromDVgrad.png 50picvidMJPEG_fromDVgrad.png