I'm getting the same error:
You can use this image:
http://www.babygroup.co.za/getmetafile/08736b75-ca2d-49b3-b333-71d4578daa50/BabyGroup_Shop_Changing_Wipes_Pampers_Sensitive_1.aspx
And if I append the querystring:
?width=190&height=190
I get:
Message: Arithmetic operation resulted in an overflow.
Stack Trace:
at CMS.GlobalHelper.ImageHelper.Quantizer.FirstPass(BitmapData sourceData, Int32 width, Int32 height)
at CMS.GlobalHelper.ImageHelper.Quantizer.Quantize(Image source)
at CMS.GlobalHelper.ImageHelper.ResizeImage(Int32 width, Int32 height)
at CMS.GlobalHelper.ImageHelper.GetResizedImageData(Int32 width, Int32 height, Int32 quality)
at CMS.SiteProvider.MetaFileInfoProvider.GetImageThumbnail(MetaFileInfo fileInfo, String siteName, Int32 width, Int32 height, Int32 maxSideSize)
at CMS.UIControls.CMSOutputMetaFile.LoadData(Byte[] data)
at CMS.UIControls.CMSOutputMetaFile.EnsureData(Byte[] defaultData)
at CMSPages_GetMetaFile.SendFile(CMSOutputMetaFile file)
at CMSPages_GetMetaFile.Page_Load(Object sender, EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)