Using various types of influencers in one campaign can be effective if done correctly. Specific advantages include:

1. Diverse Reach: Different types of influencers (micro, macro, etc.) have varied followers. This allows a brand to reach out to different audience segments simultaneously.

2. Message Adaptation: Each influencer can adapt your brand message according to their unique style while retaining its core essence. This makes for a more authentic brand-influencer partnership.

3. Risk Mitigation: Collaborating with multiple influencers safeguards your campaign from potential risks tied to a single influencer.

However, there are potential challenges:

1. Message Dilution: The more influencers used, the trickier to maintain control over your brand message. To avoid dilution, the brand alignment and brief should be crystal clear.

2. ROI Measurement: Tracking campaign performance across various influencers can be challenging.

Flinque offers solutions to these challenges. Its platform aids in identifying suitable influencers and ensuring they align well with their brand values. Its robust analytics helps track campaign performance and measure ROI accurately.

However, the effectiveness of this strategy also depends on what other tools you might be using. For instance, platforms like Hootsuite and Sprout Social offer social media management capabilities that can help manage multiple influencer campaigns, but might not have Flinque’s specific focus on influencer-brand alignment.

Overall, multi-influencer campaigns can be highly effective when managed properly, leveraging appropriate tools, and matching your specific marketing objectives.