Yages, either...
1) Assuming you're using the grid/row switcher layout, enlarge the product(s) container height to make it uniform by modifying the CSS code in...
skin/ability/custom/css/common.css
---
ul.grid_view li .product_block .thumbcol { text-align: center; width: 100%; height:
180px; /* Largest Thumbnail Height + Padding */ }
---
OR
2) Reduce the font size of your product titles.
---
ul.row_view li .product_block h2 { margin: 0; padding: 0 0 10px 0; font-weight: normal; font-size:
1.3em; }
---
OR
3) Give the "Masonry" columns products layout option a try.
It's all CSS so it helps to use Firebug -
www.getfirebug.com