creative commons image collage

[Vlad Stanimir]

On 01.05.2010 12:33, Johannes Buchner wrote:
> On Sat, 01 May 2010 09:52:59 +0300
> Vlad Stanimir<vladbv2006 at gmail.com>  wrote:
>
>    
>> i am a wikipedia user and ran into a image collage made from sources
>> under different cc licenses i need advice if this combination is
>> legal is not please specify what if any actions can be done to remedy
>> the situation the licenses are as follows 2 * cc-by-sa-2.0 +
>> cc-by-sa-3.0 + cc-by-2.5.
>>      
> Yes, if it is distributed as a cc by-sa license (or similar).
>
> See the according licenses @
> http://creativecommons.org/licenses/by-sa/2.0/
> ---
> Share Alike — If you alter, transform, or build upon this work, you may
> distribute the resulting work only under the same or similar license to
> this one.
> ---
> The versions should be compatible (given the terms "same or similar"),
> and the additional restriction "share alike" doesn't contradict the
> cc-by license.
>
> IANAL. Perhaps reread the licenses yourself.
>
> Regards,
> Johannes
>
>    
This(http://creativecommons.org/licenses/by-sa/2.0/) looks simple but 
this are the real licenses:
http://creativecommons.org/licenses/by-sa/3.0/legalcode
http://creativecommons.org/licenses/by-sa/2.0/legalcode
http://creativecommons.org/licenses/by/2.5/legalcode

Can someone take a look at the licenses text and see if versions 2, 2.5 
and 3 are really compatible? pls.