coverSheet.js -

'change .uploadCoverImage': function(event, template){

        var projectId = this.project._id;

        ImageManager(Images).upload(event, {
            "projectId" : projectId
        }, function(err, updatedFile){
            console.log("upload");
            Dispatcher.call('uploadCoverSheetImage', projectId, updatedFile._id);
        });
}

#############################

qlp-projects/client/events.js

Dispatcher.events({
    'projectRemove': function(projectId) {
        Meteor.call('qlp-projects.projectRemove', projectId);
    },

    'uploadCoverSheetImage' : function(projectId, imageId){
        Meteor.call('qlp-projects.uploadCoverSheetImage', projectId, imageId);
    },

    'uploadCoverSheetLogo' : function(projectId, logoId){
        Meteor.call('qlp-projects.uploadCoverSheetLogo', projectId, logoId);
    }
});


#############################

qlp-projects/lib/methods.js

Meteor.methods({
    'qlp-projects.projectRemove': function(projectId) {
        check(projectId, String);
        Projects.remove(projectId);
    },


    'qlp-projects.uploadCoverSheetImage' : function(projectId, imageId) {
        var project = Projects.findOne(projectId);
        project.survey.coverSheet.image = imageId;
        Projects.update(projectId, project);
    },

    'qlp-projects.uploadCoverSheetLogo' : function(projectId, logoId) {
        var project = Projects.findOne(projectId);
        project.survey.coverSheet.logo = logoId;
        Projects.update(projectId, project);

    }
});