FIND: 
    $html_title = $translations['homepage']['title'] . SITE_NAME;
    $template = 'index.tpl';

AFTER ADD:

// begin cloud
$companies = array();
    $sanitizer = new Sanitizer();
    $sql = 'SELECT DISTINCT company FROM jobs WHERE is_temp = 0 AND is_active = 1 ORDER BY Rand() ASC LIMIT 20';
    $comps = $db->QueryArray($sql);
    foreach ($comps as $company)
    {
        $sql = 'SELECT COUNT(id) AS nr
                       FROM jobs
                       WHERE company = "' . $company['company'] . '"';
        $nr = $db->QueryItem($sql);
        if ($nr < 2)
        {
            $tag_height = 1;
        }
        else if ($nr >= 2 && $nr < 3)
        {
            $tag_height = 2;
        }
        else if ($nr >= 3 && $nr < 4)
        {
            $tag_height = 3;
        }
        else if ($nr >= 4 && $nr < 5)
        {
            $tag_height = 4;
        }
        else if ($nr >= 5 && $nr < 6)
        {
            $tag_height = 5;
        }
        else if ($nr >= 6)
        {
            $tag_height = 6;
        }
       
        $companies[] = array('name' => $company['company'],
                             'varname' => $sanitizer->sanitize_title_with_dashes($company['company']),
                             'count' => $nr,
                             'tag_height' => $tag_height);
    }
    $smarty->assign('companies', $companies);
    $smarty->assign('companies_count', count($comps));
// end cloud

FIND:
                {/if}
                {if !$latest_jobs && !$most_applied_to_jobs}

BEFORE ADD:
            <div class="companycloud">
               <h3>Company Cloud</h3>
               <p class="names">{section name=tmp loop=$companies}
            <span class="company-tag-{$companies[tmp].tag_height}">
            <a href="{$BASE_URL}jobs-at/{$companies[tmp].varname}/">{$companies[tmp].name}</a>
            </span>
            {/section}
            <br />
            </p>
            <p class="clearfix viewmore"><a href="{$BASE_URL}companies/">View All &rarr;</a></p>   
            </div>

ADD:
.companycloud{border:1px #eaeaea solid; /*margin-left:10px;*/ margin:20px 0 20px 10px; padding:10px;}
.companycloud h3{background:#f1f1f1 url(../images/bg.png) bottom repeat-x; display:block; font-family:Arial, Helvetica, sans-serif; padding:15px 10px; margin:0; font-weight:normal; color:#666; text-transform:uppercase; border-bottom:1px #ddd solid; font-size:1.2em; margin-bottom:20px;}
/* tag heights */
.company-tag-1 {font-size: 16px; !important}
.company-tag-2 {font-size: 18px; !important}
.company-tag-3 {font-size: 22px; !important}
.company-tag-4 {font-size: 26px; !important}
.company-tag-5 {font-size: 30px; !important}
.company-tag-6 {font-size: 34px; !important}
p.names a{color:#666;}
p.names a:hover{background:#555; color:#fff;}
p.viewmore a{margin-top:20px; background:#f1f1f1; padding:2px 5px; margin-left:00px; float:left;}
/* Auto Clearing Method ( Not for IE )
######################################## */
.clearfix:after
{
    content: "."; 
    display: block; 
    height: 0; 
    clear: both; 
    visibility: hidden;
}