You may download June CTP documents from Connect downloads: (http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=6907) 
   
The following images are available with this release:
 
Windows Server 2008 June 2007 Community Technology Preview for X86 and X64
0xA79EFC98      6001.16606.070619-1930_x86fre_server_en-us_kr1sfre_en_dvd.iso
0x7B91B9D6     6001.16606.070619-1930_amd64fre_server_en-us_kr1sxfre_en_dvd.iso
http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=7273
 
Windows Server 2008 June 2007 Community Technology Preview for X86 and X64 - Japanese
0xF93C5A0E      6001.16606.070619-1930_x86fre_server_ja-jp-kr1sfre_ja_dvd.iso
0x9232FAF9      6001.16606.070619-1930_amd64fre_server_ja-jp-kr1sxfre_ja_dvd.iso
http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=7305
 
Windows Server 2008 June 2007 Community Technology Preview for X86 and X64 – Web Server
0x741987E5       6001.16606.070619-1930_x86fre_serverweb_en-us-kr1wfre_en_dvd.iso
0x4326F7EF       6001.16606.070619-1930_amd64fre_serverweb_en-us-kr1wxfre_en_dvd.iso
http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=7310
 
Windows Server 2008 June 2007 Community Technology Preview for X86 and X64 – Web Server - Japanese
0x80E86F4E       6001.16606.070619-1930_x86fre_serverweb_ja-jp-kr1wfre_ja_dvd.iso
0x33BECDAF     6001.16606.070619-1930_amd64fre_serverweb_ja-jp-kr1wxfre_ja_dvd.iso
http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=7317
 
Other images include the following. The full list of June CTP images can be found on Connect downloads
(https://connect.microsoft.com/downloads/downloads.aspx?wa=wsignin1.0&siteid=4)
·         IA64
·         Windows Driver Kit
·         Symbols