Unfortunately that is not an option at the moment, you can only disable the picture if you login and play their 'puzzle of the day' in which case the setting is in your account options.
There is a similar site where you can embed puzzles also called
www.jigsawsite.com and they do not provide a sample picture by default (though you can show it if you want.)
If you prefer to use their puzzle then do the following- but they ask you limit yourself to 1 puzzle per forum page to help their bandwidth.
Use the same settings as above but the following replacement:
Code:
<div style="background-color: #ffffff; border: 1px solid black; height: 350px;">
<object width="100%" height="100%" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">
<param name="scale" value="noscale" />
<param name="movie" value="http://static.jigsawsite.com/{param}_4x4s.swf">
<param name="wmode" value="transparent" />
<param name="allowNetworking" value="all" />
<param name="allowScriptAccess" value="always" />
<embed wmode="transparent" scale="noscale" allowScriptAccess="always" allowNetworking="all" src="http://static.jigsawsite.com/{param}_4x4s.swf" width="100%" height="100%" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
</embed>
</object>
</div>
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The example code would be:
[puzzle]20090907090552206[/puzzle]
To change the default number of pieces change the 2 instances of "4x4" to higher numbers like "5x5" or "6x6".
It's a bit of a pain to find the code you need to use... you need to go to the embed code which looks like:
Code:
<div style="background-color: #ffffff; border: 1px solid black; height: 350px;">
<object width="100%" height="100%" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">
<param name="scale" value="noscale" />
<param name="movie" value="http://static.jigsawsite.com/2009090218222477_4x4s.swf">
<param name="wmode" value="transparent" />
<param name="allowNetworking" value="all" />
<param name="allowScriptAccess" value="always" />
<embed wmode="transparent" scale="noscale" allowScriptAccess="always" allowNetworking="all" src="http://static.jigsawsite.com/2009090218222477_4x4s.swf" width="100%" height="100%" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
</embed>
</object>
</div>
<p><a title="play 1000s of jigsaw puzzles online" href="http://jigsawsite.com/">Online jigsaw puzzles</a> from <a title="create jigsaw puzzles from your photos" href="http://jigsawsite.com/">JigsawSite.com</a></p
You need to look at the line:
Code:
<param name="movie" value="http://static.jigsawsite.com/2009090218222477_4x4s.swf">
And take the number before the underscore:
2009090218222477 - that is what you put between the puzzle tags:
[puzzle]2009090218222477[/puzzle]
But I would use this puzzle site as a last resort, the original code looks much better IMO.