To answer my question, the way to suppress the EULA and show the correct images is given below.
<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
<Bundle Name="Name"
Version="1.0.0.0"
Manufacturer="Company"
DisableModify="yes"
UpgradeCode="insert GUID here"
Compressed="yes">
<BootstrapperApplicationRef Id="WixStandardBootstrapperApplication.HyperlinkLicense" >
<bal:WixStandardBootstrapperApplication
SuppressOptionsUI="yes"
LogoFile="C:\Path\Logo.jpg"
LicenseUrl=""
xmlns:bal="http://schemas.microsoft.com/wix/BalExtension" />
</BootstrapperApplicationRef>
<Chain>
<PackageGroupRef Id="InstallerPackage"/>
</Chain>
</Bundle>
<Fragment>
<PackageGroup Id="InstallerPackage">
<MsiPackage SourceFile="$(var.ExcelAddInDeploy.TargetPath)" Compressed="yes" EnableFeatureSelection="no" Vital="yes" DisplayInternalUI="yes">
<MsiProperty Name="MSC" Value="[MSC]" />
</MsiPackage>
</PackageGroup>
</Fragment>
</Wix>