Addendum to last post:
Tried unzipping tonight's purchase of Danae's Milan with WinRar- same CRC errors. Cleared browser cache and re-downloaded it. This is the error file from WinZip:

Extracting to "C:Program Filese frontierPoser 7"
Use Path: yes Overlay Files: no
Extracting !!!Milan_Morph.png
Extracting !!!Milan_Morph.pz2
Extracting !!Milan_Basic_SetUp.png
Extracting !!Milan_Basic_SetUp.pz2
Extracting !Face_BlackEye.png
Extracting !Face_BlackEye.pz2
Extracting !Face_BlackEye_NH.png
Extracting !Face_BlackEye_NH.pz2
Extracting !Face_CatEye.png
Extracting !Face_CatEye.pz2
Extracting !Face_CatEye_NH.png
Extracting !Face_CatEye_NH.pz2
Extracting !Face_Natural.png
Extracting !Face_Natural.pz2
Extracting !Face_Natural_NH.png
Extracting !Face_Natural_NH.pz2
Extracting !Face_Smudgy_Eye.png
Extracting !Face_Smudgy_Eye.pz2
Extracting EyeLashes_Black.png
bad CRC d1637d71 (should be c80d360e)
Extracting EyeLashes_Black.pz2
Extracting EyeLashes_Blonde.png
Extracting EyeLashes_Blonde.pz2
Extracting EyeLashes_BlondeLight.png
Extracting EyeLashes_BlondeLight.pz2
Extracting EyeLashes_Brown.png
Extracting EyeLashes_Brown.pz2
Extracting EyeLashes_Dark_RedHead.png
Extracting EyeLashes_Dark_RedHead.pz2
Extracting EyeLashes_RedHead.png
Extracting EyeLashes_RedHead.pz2
Extracting Eyes_Blue.png
Extracting Eyes_Blue.pz2
Extracting Eyes_Brown.png
Extracting Eyes_Brown.pz2
Extracting Eyes_Green.png
Extracting Eyes_Green.pz2
Extracting Eyes_LightGreen.png
Extracting Eyes_LightGreen.pz2
Extracting Lips Glossy_Brick.png
Extracting Lips Glossy_Brick.pz2
Extracting Lips Glossy_Candy.png
Extracting Lips Glossy_Candy.pz2
Extracting Lips Glossy_Nude.png
Extracting Lips Glossy_Nude.pz2
Extracting Lips_Matte_DeepRed.png
Extracting Lips_Matte_DeepRed.pz2
Extracting Lips_Matte_Natural.png
Extracting Lips_Matte_Natural.pz2
Extracting Lips_Matte_Red.png
Extracting Lips_Matte_Red.pz2
Extracting Lips_Moist_Natural.png
Extracting Lips_Moist_Natural.pz2
Extracting Lips_Moist_Purple.png
Extracting Lips_Moist_Purple.pz2
Extracting Lips_Moist_Red.png
Extracting Lips_Moist_Red.pz2
Extracting Lips_SP_Gloss.png
Extracting Lips_SP_Gloss.pz2
Extracting Lips_SP_Gloss1.png
Extracting Lips_SP_Gloss1.pz2
Extracting Lips_SP_Gloss2.png
Extracting Lips_SP_Gloss2.pz2
Extracting Lips_SP_Gloss3.png
Extracting Lips_SP_Gloss3.pz2
Extracting Lips_SP_Gloss4.png
bad CRC 35fca14d (should be 6bbd341a)
Warning: the size of the extracted file (42372) does not match the uncompressed size (42368) recorded in the zip file
Extracting Lips_SP_Gloss4.pz2
Extracting Lips_SP_Gloss5.png
Extracting Lips_SP_Gloss5.pz2
Extracting License.txt
Extracting MilanReadMe.txt
Extracting BrowsMask2.jpg
Extracting EYEB.jpg
Extracting EYEG.jpg
Extracting EYEL.jpg
Extracting EYELG.jpg
Extracting HeadBlackEye.jpg
Extracting HeadBlackEyeNB.jpg
Extracting HeadCatEye.jpg
Extracting HeadCatEyeNB.jpg
Extracting HeadMessEye.jpg
Extracting HeadNatural.jpg
Extracting HeadNaturalNB.jpg
Extracting LashesNatural.jpg
Extracting LipsGlossBrick.jpg
Extracting LipsGlossCandy.jpg
Extracting LipsGlossNude.jpg
Extracting LipsMatteRed.jpg
Extracting LipsMoistPurple.jpg
Extracting LipsMoistRed.jpg
Extracting MilanLIMBS.jpg
bad CRC 306d73b3 (should be c70028c0)
Warning: the size of the extracted file (1286209) does not match the uncompressed size (1286427) recorded in the zip file
Extracting MilanTORSO.jpg
Extracting MilanTORSO_NH.jpg
bad CRC 0e19c129 (should be d9e0508c)
Warning: the size of the extracted file (1267285) does not match the uncompressed size (1267280) recorded in the zip file
Extracting TEETH.jpg
Extracting Thumbs.db

Sorry so long, but I wanted to include everything in case it may help.  ~Amy