SourcererKC: The artworks package is an extra download from GOG. You can find it in your games collection when you select "Battle Isle 2". See attached screenshot. 
  Thank you - I downloaded and installed the art work. It loads some images but fails with: 
 Faulting application name: bi2020.exe, version: 0.0.0.0, time stamp: 0x00003039 
 Faulting module name: bi2020.exe, version: 0.0.0.0, time stamp: 0x00003039 
 Exception code: 0xc0000005 
 Fault offset: 0x0000f467 
 Faulting process ID: 0x210c 
 Faulting application start time: 0x01d6cbe5f7fd2759 
 Faulting application path: C:\GOG Games\BI2\ISLE2\bi2020.exe 
 Faulting module path: C:\GOG Games\BI2\ISLE2\bi2020.exe 
 Report ID: 1cceb4e6-f1d1-4eca-bc3c-0150558b7c1e 
 Faulting package full name: 
 Faulting package-relative application ID:  
 This is from the Event Viewer in Windows. There is also some output in an XML file from the application crash: 
 <?xml version="1.0" encoding="UTF-16"?> 
 <WERReportMetadata> 
 <OSVersionInformation> 
 <WindowsNTVersion>10.0</WindowsNTVersion> 
 <Build>19041</Build> 
 <Product>(0x65): Windows 10 Home</Product> 
 <Edition>Core</Edition> 
 <BuildString>19041.630.amd64fre.vb_release.191206-1406</BuildString> 
 <Revision>630</Revision> 
 <Flavor>Multiprocessor Free</Flavor> 
 <Architecture>X64</Architecture> 
 <LCID>2057</LCID> 
 </OSVersionInformation> 
 <ProblemSignatures> 
 <EventType>APPCRASH</EventType> 
 <Parameter0>bi2020.exe</Parameter0> 
 <Parameter1>0.0.0.0</Parameter1> 
 <Parameter2>00003039</Parameter2> 
 <Parameter3>bi2020.exe</Parameter3> 
 <Parameter4>0.0.0.0</Parameter4> 
 <Parameter5>00003039</Parameter5> 
 <Parameter6>c0000005</Parameter6> 
 <Parameter7>0000f467</Parameter7> 
 </ProblemSignatures> 
 <DynamicSignatures> 
 <Parameter1>10.0.19041.2.0.0.768.101</Parameter1> 
 <Parameter2>2057</Parameter2> 
 <Parameter22>2beb</Parameter22> 
 <Parameter23>2beba6fb4680d73a8c78ca7c24ccdb46</Parameter23> 
 <Parameter24>430e</Parameter24> 
 <Parameter25>430eb0c2672849df16da595cad5eb9e6</Parameter25> 
 </DynamicSignatures> 
 <SystemInformation> 
 <MID>C694987C-087F-41C5-9677-41ED2D99588A</MID> 
 <SystemManufacturer>CMS Computers Ltd</SystemManufacturer> 
 <SystemProductName>7200-0209A</SystemProductName> 
 <BIOSVersion>9103</BIOSVersion> 
 <OSInstallDate>1597789632</OSInstallDate> 
 <OSInstallTime>1601-01-02T20:35:11Z</OSInstallTime> 
 <TimeZoneBias>00:00</TimeZoneBias> 
 </SystemInformation> 
 <SecureBootState> 
 <UEFISecureBootEnabled>1</UEFISecureBootEnabled> 
 <PolicyPublisher>{77fa9abd-0359-4d32-bd60-28f4e78f784b}</PolicyPublisher> 
 </SecureBootState> 
 <ReportInformation> 
 <Guid>b1d3e8c8-4a5f-453b-abb9-07acea0ba824</Guid> 
 <CreationTime>2020-12-06T15:39:23Z</CreationTime> 
 </ReportInformation> 
 </WERReportMetadata>  
 Not a lot of help, me thinks :(