Colocar imagens (chuvinhas) caindo no blog

Para colocar imagens caindo no blog, é muito simples: Escolha uma imagem ou floties.
Agora vá em layout - HTML/Javascript e cole este código:

<!--Começo ---></p><p><script language="JavaScript1.2"></p><p><!--Scripts...---></p><p><!-- Begin</p><p>var no = 12; // </p><p>var speed = 1; // </p><p>var snowflake = "http://ENDEREÇODAIMAGEM"</p><p>var ns4up = (document.layers) ? 1 : 0; // </p><p>var ie4up = (document.all) ? 1 : 0;</p><p>var dx, xp, yp; // </p><p>var am, stx, sty; // </p><p>var i, doc_width = 796, doc_height = 590;</p><p>if (ns4up) {</p><p>doc_width = self.innerWidth;</p><p>doc_height = self.innerHeight;</p><p>} else if (ie4up) {</p><p>doc_width = document.body.clientWidth;</p><p>doc_height = document.body.clientHeight;</p><p>}</p><p>dx = new Array();</p><p>xp = new Array();</p><p>yp = new Array();</p><p>am = new Array();</p><p>stx = new Array();</p><p>sty = new Array();</p><p>for (i = 0; i < no; ++ i) { </p><p>dx[i] = 0; // </p><p>xp[i] = Math.random()*(doc_width-50); // </p><p>yp[i] = Math.random()*doc_height;</p><p>am[i] = Math.random()*20; // </p><p>stx[i] = 0.02 + Math.random()/10; // </p><p>sty[i] = 0.7 + Math.random(); //</p><p>if (ns4up) { // define layers</p><p>if (i == 0) {</p><p>document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");</p><p>document.write("top=\"15\" visibility=\"show\"><img src=\"");</p><p>document.write(snowflake + "\" border=\"0\"></layer>");</p><p>} else {</p><p>document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");</p><p>document.write("top=\"15\" visibility=\"show\"><img src=\"");</p><p>document.write(snowflake + "\" border=\"0\"></layer>");</p><p>}</p><p>} else if (ie4up) {</p><p>if (i == 0) {</p><p>document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");</p><p>document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");</p><p>document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");</p><p>document.write(snowflake + "\" border=\"0\"></div>");</p><p>} else {</p><p>document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");</p><p>document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");</p><p>document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");</p><p>document.write(snowflake + "\" border=\"0\"></div>");</p><p>}</p><p>}</p><p>}</p><p>function snowNS() { // </p><p>for (i = 0; i < no; ++ i) { // </p><p>yp[i] += sty[i];</p><p>if (yp[i] > doc_height-50) {</p><p>xp[i] = Math.random()*(doc_width-am[i]-30);</p><p>yp[i] = 0;</p><p>stx[i] = 0.02 + Math.random()/10;</p><p>sty[i] = 0.7 + Math.random();</p><p>doc_width = self.innerWidth;</p><p>doc_height = self.innerHeight;</p><p>}</p><p>dx[i] += stx[i];</p><p>document.layers["dot"+i].top = yp[i];</p><p>document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i]);</p><p>}</p><p>setTimeout("snowNS()", speed);</p><p>}</p><p>function snowIE() { // </p><p>for (i = 0; i < no; ++ i) { // </p><p>yp[i] += sty[i];</p><p>if (yp[i] > doc_height-50) {</p><p>xp[i] = Math.random()*(doc_width-am[i]-30);</p><p>yp[i] = 0;</p><p>stx[i] = 0.02 + Math.random()/10;</p><p>sty[i] = 0.7 + Math.random();</p><p>doc_width = document.body.clientWidth;</p><p>doc_height = document.body.clientHeight;</p><p>}</p><p>dx[i] += stx[i];</p><p>document.all["dot"+i].style.pixelTop = yp[i];</p><p>document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);</p><p>}</p><p>setTimeout("snowIE()", speed);</p><p>}</p><p>if (ns4up) {</p><p>snowNS();</p><p>} else if (ie4up) {</p><p>snowIE();</p><p>}</p><p>// End --></p><p></script></p><p><!--Fim ---></p><p><br></p>

Onde está http://ENDEREÇODAIMAGEM, troque pelo endereço da imagem que você escolheu, prefira imagens pequenas.
Basta salvar!