Flying Snoo for reddit by @LowSociety -- You'll need Tampermonkey (Chrome) or Greasemonkey (Firefox) then click 'raw' to install it. It only works at the bottom of user pages, but that can be easily changed. Bonus: this is the version where you can kill Snoo. >:)

flyingsnoo.user.js

// ==UserScript==
// @name       Flying Snoo
// @namespace  http://reddit.com/user/LowSociety
// @version    1.0.2
// @description  snoo + fly
// @match      *://*.reddit.com/*
// @copyright  2014+, LowSociety
// ==/UserScript==


$(".profile-page .footer-parent").click(function() {
	var background = $(this).css("background");
	
	var width = 87,
		height = 145;
	
	var floater = $("<div></div>").css({
		height : height + "px",
		width : width + "px",
		background : "url(http://c.thumbs.redditmedia.com/7U0yjjycFy9MC5ht.png)",
		position : "absolute",
		top : $(this).offset().top  + "px",
		left : (($(window).width() * 0.49) - (width/2)) + "px",
		zIndex : 999
	}).appendTo("body");
    
	var documentHeight = $(document).height(),
		documentWidth = $(document).width(),
		iterations = 0,
		wind = 0,
		oldTop = floater.position().top,
		oldLeft = floater.position().left;
	
	var interval = null;
    
	var startInterval = function() {
		interval = window.setInterval(function() {
			var newTop = Math.max(0, (oldTop - ((documentHeight)*0.001)));
			
			if(iterations % 50 == 0) {
				wind = ((Math.random() * 200)-100) * 0.02;
			}
				
			newLeft = Math.min(documentWidth - width,Math.max(0, oldLeft + wind));
			
			floater.css({
				top : newTop + "px",
				left : newLeft + "px"
			});
			
			iterations++;
			if(newTop <= 0) {
				window.clearInterval(interval);
				interval = null;
			}
			oldTop = newTop;
			oldLeft = newLeft;
		}, 50);
	}
	
	floater.mousedown(function(e) {
		if(interval != null) {
			window.clearInterval(interval);
			interval = null;
		}
		floater.data("offsetX", e.offsetX);
		floater.data("offsetY", e.offsetY);
		
		var dragEvent = function(e) {
			var offsetX = floater.data("offsetX") || 0,
				offsetY = floater.data("offsetY") || 0;
			oldLeft = (e.pageX - offsetX);
			oldTop = (e.pageY - offsetY);
			floater.css({
				"left" : oldLeft + "px",
				"top" : oldTop + "px"
			});
		}
		
		var releaseEvent = function() {
			if(interval == null)
				startInterval();
			$(document).unbind("mousemove", dragEvent);
			$(document).unbind("mouseup", releaseEvent);
		}
		
		$(document).bind("mousemove", dragEvent).bind("mouseup", releaseEvent);
	}).dblclick(function() {
        if(interval != null) {
            window.clearInterval(interval);
            interval = null;
        }
        $(this).unbind("mousedown");
        $(this).css("background","url(http://a.thumbs.redditmedia.com/P0tVLpH52smMNXPN.png)");
        interval = window.setInterval(function() {
            var newTop = oldTop + Math.max(50,Math.min(10,oldTop*0.05));
            floater.css({
				"top" : newTop + "px"
			});
            oldTop = newTop;
            if(oldTop + height >= documentHeight) {
                window.clearInterval(interval);
				interval = null;
                floater.css({
                    "top" : (documentHeight-height) + "px"
                });
                floater.css("background","url(http://d.thumbs.redditmedia.com/tIFOjQQ5pPahJKP-.png)");
            }
        },50);
    });
	
	$(this).css("background","transparent");
	startInterval();
});