ItemName  Title  Icon ...
Blog1     Blog1  G:ImageBlog1.jpg
Blog2     Blog2  G:ImageBlog2.jpg
Blog3     Blog3  G:ImageBlog3.jpg

try
{

 foreach($record in $csv)
 {
   $path = "/sitecore/content/COM/Home/Blogs"


   $item = New-Item -Path $path -Name $record.ItemName -ItemType $record.Templates

   $item.Editing.BeginEdit()
     $item["ItemName"] = $record.ItemName
     $item["Title"] = $record.PageTitle

     #add other mappings ...

     $item.Editing.EndEdit()

 Write-Host "Item created: " $record.ItemName

 }

}
finally
{
 $bulk.Dispose()
}