Post inline graphics into the text. How?

From the Javascript CS3 examples "Text" -> "AnchoredFrame.jsx":

//AnchoredFrame.jsx
//An InDesign CS3 JavaScript
//
//Shows how to create an anchored frame.
//
main();
function main(){
    mySetup();
    mySnippet();
}
//Setup Help Text
//Setup help text goes here.
//end setup help text
function mySetup(){
    var myDocument = app.documents.add();
    myDocument.viewPreferences.horizontalMeasurementUnits = MeasurementUnits.points;
    myDocument.viewPreferences.verticalMeasurementUnits = MeasurementUnits.points;
    var myPage = myDocument.pages.item(0);
    var myTextFrame = myPage.textFrames.add({geometricBounds:myGetBounds(myDocument, myPage), contents:TextFrameContents.placeholderText});
    myTextFrame.texts.item(0).leftIndent = 72;
    function myGetBounds(myDocument, myPage){
    var myPageWidth = myDocument.documentPreferences.pageWidth;
    var myPageHeight = myDocument.documentPreferences.pageHeight
    if(myPage.side == PageSideOptions.leftHand){
        var myX2 = myPage.marginPreferences.left;
        var myX1 = myPage.marginPreferences.right;
    }
    else{
        var myX1 = myPage.marginPreferences.left;
        var myX2 = myPage.marginPreferences.right;
    }
    var myY1 = myPage.marginPreferences.top;
    var myX2 = myPageWidth - myX2;
    var myY2 = myPageHeight - myPage.marginPreferences.bottom;
    return [myY1, myX1, myY2, myX2];
}
} //end setup
//Snippet Help Text
//Snippet help text goes here.
//end snippet help text
function mySnippet(){
    var myDocument = app.documents.item(0);
    var myPage = myDocument.pages.item(0);
    var myTextFrame = myPage.textFrames.item(0);
    var myInlineFrame = myTextFrame.paragraphs.item(0).insertionPoints.item(0).textFrames.add();
    //Recompose the text to make sure that getting the
    //geometric bounds of the inline graphic will work.
    myTextFrame.texts.item(0).recompose;
    //Get the geometric bounds of the inline frame.
    var myBounds = myInlineFrame.geometricBounds;
    //Set the width and height of the inline frame. In this example, we'll
    //make the frame 24 points tall by 72 points wide.
    myInlineFrame.geometricBounds = [myBounds[0], myBounds[1], myBounds[0]+24, myBounds[1]+72];
    myInlineFrame.contents = "This is an inline frame.";
    var myAnchoredFrame = myTextFrame.paragraphs.item(1).insertionPoints.item(0).textFrames.add();
    //Recompose the text to make sure that getting the
    //geometric bounds of the inline graphic will work.
    myTextFrame.texts.item(0).recompose;
    //Get the geometric bounds of the inline frame.
    var myBounds = myAnchoredFrame.geometricBounds;
    //Set the width and height of the inline frame. In this example, we'll
    //make the frame 24 points tall by 72 points wide.
    myAnchoredFrame.geometricBounds = [myBounds[0], myBounds[1], myBounds[0]+24, myBounds[1]+72];
    myAnchoredFrame.contents = "This is an anchored frame.";
    with(myAnchoredFrame.anchoredObjectSettings){
        anchoredPosition = AnchorPosition.anchored;
        anchorPoint = AnchorPoint.topLeftAnchor;
        horizontalReferencePoint = AnchoredRelativeTo.anchorLocation;
        horizontalAlignment = HorizontalAlignment.leftAlign;
        anchorXoffset = 72;
        verticalReferencePoint = VerticallyRelativeTo.lineBaseline;
        anchorYoffset = 24;
        anchorSpaceAbove = 24;
    }
} //end snippet