You can post a link here to your site and make sure its open so we can see what you see.
write errors to me would suggest the data directory is not 777 permissions at every level under Photopost or the files themselves in vbgallery files directory are not copyable. Maybe try making sure all of them are 777
If you see images in vbgallery index then you should be fine and may need to update cat counts etc under vbgallery maintenance. If you see no images in vbgallery then most likely your permissions issue is the culprit.