Here's a random encounter table for a 2nd-level dungeon. All the creatures on the table have miniatures in the Harbinger set. Most are commons, plus a few uncommons. The table requires only three or four of each listed common and only one of each listed uncommon, so it's easy to get the miniatures you need. You may already have them. (If you don't have exactly these, then substitute similar miniatures that you do have.) Use this table to generate the less important encounters in a dungeon or similar area, or simply as a list of possible encounters around Encounter Level 2.